56323537 has 2 divisors, whose sum is σ = 56323538. Its totient is φ = 56323536.

The previous prime is 56323523. The next prime is 56323633. The reversal of 56323537 is 73532365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36529936 + 19793601 = 6044^2 + 4449^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56323537 is a prime.

It is not a weakly prime, because it can be changed into another prime (56323637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28161768 + 28161769.

It is an arithmetic number, because the mean of its divisors is an integer number (28161769).

Almost surely, 2^56323537 is an apocalyptic number.

It is an amenable number.

56323537 is a deficient number, since it is larger than the sum of its proper divisors (1).

56323537 is an equidigital number, since it uses as much as digits as its factorization.

56323537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 34.

The square root of 56323537 is about 7504.9008654345. The cubic root of 56323537 is about 383.3216126641.

The spelling of 56323537 in words is "fifty-six million, three hundred twenty-three thousand, five hundred thirty-seven".