56430660 has 96 divisors (see below), whose sum is σ = 185657472. Its totient is φ = 12625920.

The previous prime is 56430659. The next prime is 56430709. The reversal of 56430660 is 6603465.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5292 + ... + 11868.

It is an arithmetic number, because the mean of its divisors is an integer number (1933932).

Almost surely, 2^56430660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56430660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92828736).

56430660 is an abundant number, since it is smaller than the sum of its proper divisors (129226812).

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

56430660 is a wasteful number, since it uses less digits than its factorization.

56430660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6613 (or 6611 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 56430660 is about 7512.0343449694. The cubic root of 56430660 is about 383.5644747556.

The spelling of 56430660 in words is "fifty-six million, four hundred thirty thousand, six hundred sixty".