56291976 has 64 divisors (see below), whose sum is σ = 168403200. Its totient is φ = 17319744.

The previous prime is 56291969. The next prime is 56292013. The reversal of 56291976 is 67919265.

It is a happy number.

56291976 is a `hidden beast` number, since 5 + 629 + 19 + 7 + 6 = 666.

56291976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 7216 + ... + 12831.

It is an arithmetic number, because the mean of its divisors is an integer number (2631300).

Almost surely, 2^56291976 is an apocalyptic number.

It is an amenable number.

56291976 is an abundant number, since it is smaller than the sum of its proper divisors (112111224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56291976 is a wasteful number, since it uses less digits than its factorization.

56291976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20075 (or 20065 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 56291976 is about 7502.7978781252. The cubic root of 56291976 is about 383.2500009574.

The spelling of 56291976 in words is "fifty-six million, two hundred ninety-one thousand, nine hundred seventy-six".