56397895 has 16 divisors (see below), whose sum is σ = 70722720. Its totient is φ = 43120000.

The previous prime is 56397893. The next prime is 56397911. The reversal of 56397895 is 59879365.

It is not a de Polignac number, because 56397895 - 2¹ = 56397893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56397893) 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, 12720 + ... + 16570.

It is an arithmetic number, because the mean of its divisors is an integer number (4420170).

Almost surely, 2^56397895 is an apocalyptic number.

56397895 is a deficient number, since it is larger than the sum of its proper divisors (14324825).

56397895 is a wasteful number, since it uses less digits than its factorization.

56397895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3986.

The product of its digits is 2041200, while the sum is 52.

The square root of 56397895 is about 7509.8531943041. The cubic root of 56397895 is about 383.4902247933.

The spelling of 56397895 in words is "fifty-six million, three hundred ninety-seven thousand, eight hundred ninety-five".