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55384401234 = 2319228390353
BaseRepresentation
bin110011100101001010…
…101110010101010010
312021221211112002112210
4303211022232111102
51401411401314414
641235423532550
74000322433351
oct634512562522
9167854462483
1055384401234
1121541061428
12a89815a156
1352b843ab66
142975895998
15169242ce59
hexce52ae552

55384401234 has 48 divisors (see below), whose sum is σ = 117319970592. Its totient is φ = 17427816576.

The previous prime is 55384401229. The next prime is 55384401263. The reversal of 55384401234 is 43210448355.

55384401234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55384401192 and 55384401201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 567802 + ... + 658154.

It is an arithmetic number, because the mean of its divisors is an integer number (2444166054).

Almost surely, 255384401234 is an apocalyptic number.

55384401234 is an abundant number, since it is smaller than the sum of its proper divisors (61935569358).

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

55384401234 is a wasteful number, since it uses less digits than its factorization.

55384401234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90679 (or 90660 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 55384401234 its reverse (43210448355), we get a palindrome (98594849589).

The spelling of 55384401234 in words is "fifty-five billion, three hundred eighty-four million, four hundred one thousand, two hundred thirty-four".

Divisors: 1 2 3 6 19 38 57 114 283 361 566 722 849 1083 1698 2166 5377 10754 16131 32262 90353 102163 180706 204326 271059 306489 542118 612978 1716707 3433414 5150121 10300242 25569899 32617433 51139798 65234866 76709697 97852299 153419394 195704598 485828081 971656162 1457484243 2914968486 9230733539 18461467078 27692200617 55384401234