56855757 has 8 divisors (see below), whose sum is σ = 86637376. Its totient is φ = 32488992.

The previous prime is 56855753. The next prime is 56855779. The reversal of 56855757 is 75755865.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56855757 - 2² = 56855753 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56855753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1353688 + ... + 1353729.

It is an arithmetic number, because the mean of its divisors is an integer number (10829672).

Almost surely, 2^56855757 is an apocalyptic number.

It is an amenable number.

56855757 is a deficient number, since it is larger than the sum of its proper divisors (29781619).

56855757 is a wasteful number, since it uses less digits than its factorization.

56855757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2707427.

The product of its digits is 1470000, while the sum is 48.

The square root of 56855757 is about 7540.2756580910. The cubic root of 56855757 is about 384.5252077090.

The spelling of 56855757 in words is "fifty-six million, eight hundred fifty-five thousand, seven hundred fifty-seven".