56322660 has 96 divisors (see below), whose sum is σ = 164892672. Its totient is φ = 14348160.

The previous prime is 56322659. The next prime is 56322677. The reversal of 56322660 is 6622365.

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, 198879 + ... + 199161.

It is an arithmetic number, because the mean of its divisors is an integer number (1717632).

Almost surely, 2^56322660 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 56322660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82446336).

56322660 is an abundant number, since it is smaller than the sum of its proper divisors (108570012).

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

56322660 is a wasteful number, since it uses less digits than its factorization.

56322660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 431 counting only the distinct ones).

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

The square root of 56322660 is about 7504.8424367204. The cubic root of 56322660 is about 383.3196231181.

The spelling of 56322660 in words is "fifty-six million, three hundred twenty-two thousand, six hundred sixty".