56988937 has 2 divisors, whose sum is σ = 56988938. Its totient is φ = 56988936.

The previous prime is 56988907. The next prime is 56988989. The reversal of 56988937 is 73988965.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44675856 + 12313081 = 6684^2 + 3509^2 .

It is a cyclic number.

It is not a de Polignac number, because 56988937 - 2²³ = 48600329 is a prime.

It is not a weakly prime, because it can be changed into another prime (56988907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28494468 + 28494469.

It is an arithmetic number, because the mean of its divisors is an integer number (28494469).

Almost surely, 2^56988937 is an apocalyptic number.

It is an amenable number.

56988937 is a deficient number, since it is larger than the sum of its proper divisors (1).

56988937 is an equidigital number, since it uses as much as digits as its factorization.

56988937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 55.

The square root of 56988937 is about 7549.1017346437. The cubic root of 56988937 is about 384.8252132898.

The spelling of 56988937 in words is "fifty-six million, nine hundred eighty-eight thousand, nine hundred thirty-seven".