56700557 has 2 divisors, whose sum is σ = 56700558. Its totient is φ = 56700556.

The previous prime is 56700551. The next prime is 56700563. The reversal of 56700557 is 75500765.

56700557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (56700551) and next prime (56700563).

It can be written as a sum of positive squares in only one way, i.e., 33477796 + 23222761 = 5786^2 + 4819^2 .

It is a cyclic number.

It is not a de Polignac number, because 56700557 - 2⁶ = 56700493 is a prime.

It is a super-2 number, since 2×56700557² = 6429906328220498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56700551) 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, 28350278 + 28350279.

It is an arithmetic number, because the mean of its divisors is an integer number (28350279).

Almost surely, 2^56700557 is an apocalyptic number.

It is an amenable number.

56700557 is a deficient number, since it is larger than the sum of its proper divisors (1).

56700557 is an equidigital number, since it uses as much as digits as its factorization.

56700557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36750, while the sum is 35.

The square root of 56700557 is about 7529.9772244011. The cubic root of 56700557 is about 384.1750074861.

The spelling of 56700557 in words is "fifty-six million, seven hundred thousand, five hundred fifty-seven".