56235861 has 24 divisors (see below), whose sum is σ = 88923744. Its totient is φ = 33963360.

The previous prime is 56235853. The next prime is 56235863. The reversal of 56235861 is 16853265.

56235861 is a `hidden beast` number, since 56 + 23 + 586 + 1 = 666.

It is not a de Polignac number, because 56235861 - 2³ = 56235853 is a prime.

It is a super-2 number, since 2×56235861² = 6324944124822642, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56235863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33535 + ... + 35171.

It is an arithmetic number, because the mean of its divisors is an integer number (3705156).

Almost surely, 2^56235861 is an apocalyptic number.

It is an amenable number.

56235861 is a deficient number, since it is larger than the sum of its proper divisors (32687883).

56235861 is a wasteful number, since it uses less digits than its factorization.

56235861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001 (or 1998 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 56235861 is about 7499.0573407596. The cubic root of 56235861 is about 383.1226102501.

The spelling of 56235861 in words is "fifty-six million, two hundred thirty-five thousand, eight hundred sixty-one".