56890480 has 20 divisors (see below), whose sum is σ = 132270552. Its totient is φ = 22756160.

The previous prime is 56890459. The next prime is 56890499. The reversal of 56890480 is 8409865.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 355486 + ... + 355645.

Almost surely, 2^56890480 is an apocalyptic number.

It is an amenable number.

56890480 is an abundant number, since it is smaller than the sum of its proper divisors (75380072).

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

56890480 is a wasteful number, since it uses less digits than its factorization.

56890480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711144 (or 711138 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 56890480 is about 7542.5778086805. The cubic root of 56890480 is about 384.6034709746.

The spelling of 56890480 in words is "fifty-six million, eight hundred ninety thousand, four hundred eighty".