56437957 has 2 divisors, whose sum is σ = 56437958. Its totient is φ = 56437956.

The previous prime is 56437921. The next prime is 56437967. The reversal of 56437957 is 75973465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56085121 + 352836 = 7489^2 + 594^2 .

It is a cyclic number.

It is not a de Polignac number, because 56437957 - 2¹⁵ = 56405189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56437907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28218978 + 28218979.

It is an arithmetic number, because the mean of its divisors is an integer number (28218979).

Almost surely, 2^56437957 is an apocalyptic number.

It is an amenable number.

56437957 is a deficient number, since it is larger than the sum of its proper divisors (1).

56437957 is an equidigital number, since it uses as much as digits as its factorization.

56437957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 793800, while the sum is 46.

The square root of 56437957 is about 7512.5200166123. The cubic root of 56437957 is about 383.5810068402.

The spelling of 56437957 in words is "fifty-six million, four hundred thirty-seven thousand, nine hundred fifty-seven".