56388365 has 16 divisors (see below), whose sum is σ = 75072960. Its totient is φ = 40312320.

The previous prime is 56388361. The next prime is 56388373.

56388365 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56388365 - 2² = 56388361 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56388361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5444 + ... + 11933.

It is an arithmetic number, because the mean of its divisors is an integer number (4692060).

Almost surely, 2^56388365 is an apocalyptic number.

56388365 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56388365 is a deficient number, since it is larger than the sum of its proper divisors (18684595).

56388365 is a wasteful number, since it uses less digits than its factorization.

56388365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17452.

The product of its digits is 518400, while the sum is 44.

The square root of 56388365 is about 7509.2186677443. The cubic root of 56388365 is about 383.4686231140.

The spelling of 56388365 in words is "fifty-six million, three hundred eighty-eight thousand, three hundred sixty-five".