56494980 has 72 divisors (see below), whose sum is σ = 180398400. Its totient is φ = 14271552.

The previous prime is 56494957. The next prime is 56495011. The reversal of 56494980 is 8949465.

It is a happy number.

56494980 is a `hidden beast` number, since 564 + 9 + 4 + 9 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4840 + ... + 11679.

Almost surely, 2^56494980 is an apocalyptic number.

It is an amenable number.

56494980 is an abundant number, since it is smaller than the sum of its proper divisors (123903420).

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

56494980 is a wasteful number, since it uses less digits than its factorization.

56494980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16553 (or 16548 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 56494980 is about 7516.3142563360. The cubic root of 56494980 is about 383.7101491083.

The spelling of 56494980 in words is "fifty-six million, four hundred ninety-four thousand, nine hundred eighty".