56894840 has 32 divisors (see below), whose sum is σ = 129563280. Its totient is φ = 22482432.

The previous prime is 56894819. The next prime is 56894861. The reversal of 56894840 is 4849865.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56894819) and next prime (56894861).

It is a junction number, because it is equal to n+sod(n) for n = 56894791 and 56894800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5249 + ... + 11888.

Almost surely, 2^56894840 is an apocalyptic number.

It is an amenable number.

56894840 is an abundant number, since it is smaller than the sum of its proper divisors (72668440).

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

56894840 is a wasteful number, since it uses less digits than its factorization.

56894840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17231 (or 17227 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 56894840 is about 7542.8668289981. The cubic root of 56894840 is about 384.6132958656.

The spelling of 56894840 in words is "fifty-six million, eight hundred ninety-four thousand, eight hundred forty".