56770957 has 2 divisors, whose sum is σ = 56770958. Its totient is φ = 56770956.

The previous prime is 56770949. The next prime is 56770979. The reversal of 56770957 is 75907765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56761156 + 9801 = 7534^2 + 99^2 .

It is a cyclic number.

It is not a de Polignac number, because 56770957 - 2³ = 56770949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56770907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28385478 + 28385479.

It is an arithmetic number, because the mean of its divisors is an integer number (28385479).

Almost surely, 2^56770957 is an apocalyptic number.

It is an amenable number.

56770957 is a deficient number, since it is larger than the sum of its proper divisors (1).

56770957 is an equidigital number, since it uses as much as digits as its factorization.

56770957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 463050, while the sum is 46.

The square root of 56770957 is about 7534.6504232114. The cubic root of 56770957 is about 384.3339402855. Note that the first 3 decimals are identical.

The spelling of 56770957 in words is "fifty-six million, seven hundred seventy thousand, nine hundred fifty-seven".