56937865 has 4 divisors (see below), whose sum is σ = 68325444. Its totient is φ = 45550288.

The previous prime is 56937863. The next prime is 56937869. The reversal of 56937865 is 56873965.

56937865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38093584 + 18844281 = 6172^2 + 4341^2 .

It is a cyclic number.

It is not a de Polignac number, because 56937865 - 2¹ = 56937863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56937863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5693782 + ... + 5693791.

It is an arithmetic number, because the mean of its divisors is an integer number (17081361).

Almost surely, 2^56937865 is an apocalyptic number.

It is an amenable number.

56937865 is a deficient number, since it is larger than the sum of its proper divisors (11387579).

56937865 is a wasteful number, since it uses less digits than its factorization.

56937865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11387578.

The product of its digits is 1360800, while the sum is 49.

The square root of 56937865 is about 7545.7183223335. The cubic root of 56937865 is about 384.7102221569.

The spelling of 56937865 in words is "fifty-six million, nine hundred thirty-seven thousand, eight hundred sixty-five".