56157651 has 32 divisors (see below), whose sum is σ = 94717440. Its totient is φ = 32551200.

The previous prime is 56157649. The next prime is 56157667. The reversal of 56157651 is 15675165.

It is not a de Polignac number, because 56157651 - 2¹ = 56157649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56157631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2721 + ... + 10941.

It is an arithmetic number, because the mean of its divisors is an integer number (2959920).

Almost surely, 2^56157651 is an apocalyptic number.

56157651 is a deficient number, since it is larger than the sum of its proper divisors (38559789).

56157651 is a wasteful number, since it uses less digits than its factorization.

56157651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8264 (or 8258 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 56157651 is about 7493.8408710087. The cubic root of 56157651 is about 382.9449186468.

The spelling of 56157651 in words is "fifty-six million, one hundred fifty-seven thousand, six hundred fifty-one".