56570377 has 2 divisors, whose sum is σ = 56570378. Its totient is φ = 56570376.

The previous prime is 56570351. The next prime is 56570419. The reversal of 56570377 is 77307565.

56570377 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., 48108096 + 8462281 = 6936^2 + 2909^2 .

It is a cyclic number.

It is not a de Polignac number, because 56570377 - 2¹¹ = 56568329 is a prime.

It is not a weakly prime, because it can be changed into another prime (56570477) 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, 28285188 + 28285189.

It is an arithmetic number, because the mean of its divisors is an integer number (28285189).

Almost surely, 2^56570377 is an apocalyptic number.

It is an amenable number.

56570377 is a deficient number, since it is larger than the sum of its proper divisors (1).

56570377 is an equidigital number, since it uses as much as digits as its factorization.

56570377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 154350, while the sum is 40.

The square root of 56570377 is about 7521.3281406943. The cubic root of 56570377 is about 383.8807703659.

The spelling of 56570377 in words is "fifty-six million, five hundred seventy thousand, three hundred seventy-seven".