56313557 has 2 divisors, whose sum is σ = 56313558. Its totient is φ = 56313556.

The previous prime is 56313547. The next prime is 56313601. The reversal of 56313557 is 75531365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46321636 + 9991921 = 6806^2 + 3161^2 .

It is a cyclic number.

It is not a de Polignac number, because 56313557 - 2⁶ = 56313493 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56313547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28156778 + 28156779.

It is an arithmetic number, because the mean of its divisors is an integer number (28156779).

Almost surely, 2^56313557 is an apocalyptic number.

It is an amenable number.

56313557 is a deficient number, since it is larger than the sum of its proper divisors (1).

56313557 is an equidigital number, since it uses as much as digits as its factorization.

56313557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47250, while the sum is 35.

The square root of 56313557 is about 7504.2359371224. The cubic root of 56313557 is about 383.2989710009.

The spelling of 56313557 in words is "fifty-six million, three hundred thirteen thousand, five hundred fifty-seven".