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55056516057 = 32316115312113
BaseRepresentation
bin110011010001100111…
…111100001111011001
312021002222112210122100
4303101213330033121
51400223432003212
641143112114013
73656231444034
oct632147741731
9167088483570
1055056516057
1121392a71444
12a806395909
13526552886a
14294410401b
151673761bdc
hexcd19fc3d9

55056516057 has 48 divisors (see below), whose sum is σ = 83531209216. Its totient is φ = 34898688000.

The previous prime is 55056516029. The next prime is 55056516059. The reversal of 55056516057 is 75061565055.

It is not a de Polignac number, because 55056516057 - 216 = 55056450521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55056516059) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26055033 + ... + 26057145.

Almost surely, 255056516057 is an apocalyptic number.

It is an amenable number.

55056516057 is a deficient number, since it is larger than the sum of its proper divisors (28474693159).

55056516057 is a wasteful number, since it uses less digits than its factorization.

55056516057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3742 (or 3739 counting only the distinct ones).

The product of its (nonzero) digits is 787500, while the sum is 45.

The spelling of 55056516057 in words is "fifty-five billion, fifty-six million, five hundred sixteen thousand, fifty-seven".

Divisors: 1 3 9 31 61 93 183 279 549 1531 1891 2113 4593 5673 6339 13779 17019 19017 47461 65503 93391 128893 142383 196509 280173 386679 427149 589527 840519 1160037 2895121 3235003 3995683 8685363 9705009 11987049 26056089 29115027 35961147 100285093 197335183 300855279 592005549 902565837 1776016647 6117390673 18352172019 55056516057