56876440 has 16 divisors (see below), whose sum is σ = 127972080. Its totient is φ = 22750560.

The previous prime is 56876431. The next prime is 56876459. The reversal of 56876440 is 4467865.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 1421911 = 56876440 / (5 + 6 + 8 + 7 + 6 + 4 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 56876393 and 56876402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710916 + ... + 710995.

It is an arithmetic number, because the mean of its divisors is an integer number (7998255).

Almost surely, 2^56876440 is an apocalyptic number.

It is an amenable number.

56876440 is an abundant number, since it is smaller than the sum of its proper divisors (71095640).

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

56876440 is a wasteful number, since it uses less digits than its factorization.

56876440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421922 (or 1421918 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 56876440 is about 7541.6470349652. The cubic root of 56876440 is about 384.5718296115.

The spelling of 56876440 in words is "fifty-six million, eight hundred seventy-six thousand, four hundred forty".