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56885117 = 211126947
BaseRepresentation
bin1101100011111…
…1111101111101
310222001001201012
43120333331331
5104030310432
65351125005
71260341552
oct330777575
9128031635
1056885117
112a1236a3
1217073765
13ba29243
1477aaa29
154ed9cb2
hex363ff7d

56885117 has 4 divisors (see below), whose sum is σ = 56914176. Its totient is φ = 56856060.

The previous prime is 56885113. The next prime is 56885167. The reversal of 56885117 is 71158865.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56885117 - 22 = 56885113 is a prime.

It is a super-2 number, since 2×568851172 = 6471833072207378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56885113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11363 + ... + 15584.

It is an arithmetic number, because the mean of its divisors is an integer number (14228544).

Almost surely, 256885117 is an apocalyptic number.

It is an amenable number.

56885117 is a deficient number, since it is larger than the sum of its proper divisors (29059).

56885117 is a wasteful number, since it uses less digits than its factorization.

56885117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29058.

The product of its digits is 67200, while the sum is 41.

The square root of 56885117 is about 7542.2222852419. Note that the first 4 decimals coincide. The cubic root of 56885117 is about 384.5913852194.

The spelling of 56885117 in words is "fifty-six million, eight hundred eighty-five thousand, one hundred seventeen".

Divisors: 1 2111 26947 56885117