56881476 has 18 divisors (see below), whose sum is σ = 143783822. Its totient is φ = 18960480.

The previous prime is 56881453. The next prime is 56881493. The reversal of 56881476 is 67418865.

It is a happy number.

56881476 is a `hidden beast` number, since 568 + 8 + 14 + 76 = 666.

56881476 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., 48024900 + 8856576 = 6930^2 + 2976^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 789985 + ... + 790056.

Almost surely, 2^56881476 is an apocalyptic number.

It is an amenable number.

56881476 is an abundant number, since it is smaller than the sum of its proper divisors (86902346).

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

56881476 is a wasteful number, since it uses less digits than its factorization.

56881476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580051 (or 1580046 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 56881476 is about 7541.9809068971. The cubic root of 56881476 is about 384.5831796337.

The spelling of 56881476 in words is "fifty-six million, eight hundred eighty-one thousand, four hundred seventy-six".