56966157 has 6 divisors (see below), whose sum is σ = 82284462. Its totient is φ = 37977432.

The previous prime is 56966153. The next prime is 56966159. The reversal of 56966157 is 75166965.

56966157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 41332041 + 15634116 = 6429^2 + 3954^2 .

It is not a de Polignac number, because 56966157 - 2² = 56966153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56966153) 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 in 5 ways as a sum of consecutive naturals, for example, 3164778 + ... + 3164795.

It is an arithmetic number, because the mean of its divisors is an integer number (13714077).

Almost surely, 2^56966157 is an apocalyptic number.

It is an amenable number.

56966157 is a deficient number, since it is larger than the sum of its proper divisors (25318305).

56966157 is a wasteful number, since it uses less digits than its factorization.

56966157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6329579 (or 6329576 counting only the distinct ones).

The product of its digits is 340200, while the sum is 45.

The square root of 56966157 is about 7547.5927950572. The cubic root of 56966157 is about 384.7739314848.

The spelling of 56966157 in words is "fifty-six million, nine hundred sixty-six thousand, one hundred fifty-seven".