56913855 has 8 divisors (see below), whose sum is σ = 91062192. Its totient is φ = 30354048.

The previous prime is 56913839. The next prime is 56913869. The reversal of 56913855 is 55831965.

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

It is not a de Polignac number, because 56913855 - 2⁴ = 56913839 is a prime.

It is a super-2 number, since 2×56913855² = 6478373781922050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1897114 + ... + 1897143.

It is an arithmetic number, because the mean of its divisors is an integer number (11382774).

Almost surely, 2^56913855 is an apocalyptic number.

56913855 is a deficient number, since it is larger than the sum of its proper divisors (34148337).

56913855 is a wasteful number, since it uses less digits than its factorization.

56913855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794265.

The product of its digits is 162000, while the sum is 42.

The square root of 56913855 is about 7544.1271860965. The cubic root of 56913855 is about 384.6561386918.

The spelling of 56913855 in words is "fifty-six million, nine hundred thirteen thousand, eight hundred fifty-five".