56055957 has 4 divisors (see below), whose sum is σ = 74741280. Its totient is φ = 37370636.

The previous prime is 56055949. The next prime is 56055971. The reversal of 56055957 is 75955065.

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 56055957 - 2³ = 56055949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56055907) 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, 9342657 + ... + 9342662.

It is an arithmetic number, because the mean of its divisors is an integer number (18685320).

Almost surely, 2^56055957 is an apocalyptic number.

It is an amenable number.

56055957 is a deficient number, since it is larger than the sum of its proper divisors (18685323).

56055957 is a wasteful number, since it uses less digits than its factorization.

56055957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18685322.

The product of its (nonzero) digits is 236250, while the sum is 42.

The square root of 56055957 is about 7487.0526243643. The cubic root of 56055957 is about 382.7136249554.

It can be divided in two parts, 56055 and 957, that multiplied together give a palindrome (53644635).

The spelling of 56055957 in words is "fifty-six million, fifty-five thousand, nine hundred fifty-seven".