56888865 has 64 divisors (see below), whose sum is σ = 114220800. Its totient is φ = 26611200.

The previous prime is 56888849. The next prime is 56888879.

56888865 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56888865 - 2⁴ = 56888849 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42405 + ... + 43725.

It is an arithmetic number, because the mean of its divisors is an integer number (1784700).

Almost surely, 2^56888865 is an apocalyptic number.

56888865 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56888865 is an abundant number, since it is smaller than the sum of its proper divisors (57331935).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56888865 is a wasteful number, since it uses less digits than its factorization.

56888865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375 (or 1369 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 54.

The square root of 56888865 is about 7542.4707490318. The cubic root of 56888865 is about 384.5998315813.

The spelling of 56888865 in words is "fifty-six million, eight hundred eighty-eight thousand, eight hundred sixty-five".