56899237 has 2 divisors, whose sum is σ = 56899238. Its totient is φ = 56899236.

The previous prime is 56899223. The next prime is 56899253. The reversal of 56899237 is 73299865.

56899237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40947201 + 15952036 = 6399^2 + 3994^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56899237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56899837) 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 as a sum of consecutive naturals, namely, 28449618 + 28449619.

It is an arithmetic number, because the mean of its divisors is an integer number (28449619).

Almost surely, 2^56899237 is an apocalyptic number.

It is an amenable number.

56899237 is a deficient number, since it is larger than the sum of its proper divisors (1).

56899237 is an equidigital number, since it uses as much as digits as its factorization.

56899237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 56899237 is about 7543.1582907957. The cubic root of 56899237 is about 384.6232036246.

The spelling of 56899237 in words is "fifty-six million, eight hundred ninety-nine thousand, two hundred thirty-seven".