56955757 has 2 divisors, whose sum is σ = 56955758. Its totient is φ = 56955756.

The previous prime is 56955737. The next prime is 56955791. The reversal of 56955757 is 75755965.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46321636 + 10634121 = 6806^2 + 3261^2 .

It is a cyclic number.

It is not a de Polignac number, because 56955757 - 2²³ = 48567149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56955757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56955727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28477878 + 28477879.

It is an arithmetic number, because the mean of its divisors is an integer number (28477879).

Almost surely, 2^56955757 is an apocalyptic number.

It is an amenable number.

56955757 is a deficient number, since it is larger than the sum of its proper divisors (1).

56955757 is an equidigital number, since it uses as much as digits as its factorization.

56955757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1653750, while the sum is 49.

The square root of 56955757 is about 7546.9038022225. The cubic root of 56955757 is about 384.7505147017.

The spelling of 56955757 in words is "fifty-six million, nine hundred fifty-five thousand, seven hundred fifty-seven".