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55055010444 = 223729116319433
BaseRepresentation
bin110011010001100010…
…001100101010001100
312021002212201022022220
4303101202030222030
51400223040313234
641143015535340
73656212603350
oct632142145214
9167085638286
1055055010444
1121392133235
12a80598a550
13526511c475
142943c31460
151673565a49
hexcd188ca8c

55055010444 has 96 divisors (see below), whose sum is σ = 152014302720. Its totient is φ = 15173749248.

The previous prime is 55055010443. The next prime is 55055010469. The reversal of 55055010444 is 44401055055.

It is not an unprimeable number, because it can be changed into a prime (55055010443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2823352 + ... + 2842784.

It is an arithmetic number, because the mean of its divisors is an integer number (1583482320).

Almost surely, 255055010444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55055010444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76007151360).

55055010444 is an abundant number, since it is smaller than the sum of its proper divisors (96959292276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55055010444 is a wasteful number, since it uses less digits than its factorization.

55055010444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20639 (or 20637 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

Adding to 55055010444 its reverse (44401055055), we get a palindrome (99456065499).

The spelling of 55055010444 in words is "fifty-five billion, fifty-five million, ten thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 29 42 58 84 87 116 174 203 348 406 609 812 1163 1218 2326 2436 3489 4652 6978 8141 13956 16282 19433 24423 32564 33727 38866 48846 58299 67454 77732 97692 101181 116598 134908 136031 202362 233196 236089 272062 404724 408093 472178 544124 563557 708267 816186 944356 1127114 1416534 1632372 1690671 2254228 2833068 3381342 3944899 6762684 7889798 11834697 15779596 22600579 23669394 45201158 47338788 67801737 90402316 135603474 158204053 271206948 316408106 474612159 632816212 655416791 949224318 1310833582 1898448636 1966250373 2621667164 3932500746 4587917537 7865001492 9175835074 13763752611 18351670148 27527505222 55055010444