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55043244405 = 32524115113359
BaseRepresentation
bin110011010000110101…
…010100000101110101
312021002001120112100200
4303100311110011311
51400212032310110
641141515431113
73656010600132
oct632065240565
9167061515320
1055043244405
1121386527236
12a801a55499
13526285cb06
14294244b589
1516724de6c0
hexcd0d54175

55043244405 has 48 divisors (see below), whose sum is σ = 95896120320. Its totient is φ = 29206540800.

The previous prime is 55043244367. The next prime is 55043244433. The reversal of 55043244405 is 50444234055.

55043244405 is a `hidden beast` number, since 5 + 5 + 0 + 4 + 3 + 244 + 405 = 666.

It is not a de Polignac number, because 55043244405 - 211 = 55043242357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55043244405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16385116 + ... + 16388474.

It is an arithmetic number, because the mean of its divisors is an integer number (1997835840).

Almost surely, 255043244405 is an apocalyptic number.

It is an amenable number.

55043244405 is a deficient number, since it is larger than the sum of its proper divisors (40852875915).

55043244405 is a wasteful number, since it uses less digits than its factorization.

55043244405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122 (or 5119 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The spelling of 55043244405 in words is "fifty-five billion, forty-three million, two hundred forty-four thousand, four hundred five".

Divisors: 1 3 5 9 15 45 241 723 1205 1511 2169 3359 3615 4533 7555 10077 10845 13599 16795 22665 30231 50385 67995 151155 364151 809519 1092453 1820755 2428557 3277359 4047595 5075449 5462265 7285671 12142785 15226347 16386795 25377245 36428355 45679041 76131735 228395205 1223183209 3669549627 6115916045 11008648881 18347748135 55043244405