56827980 has 144 divisors (see below), whose sum is σ = 195197184. Its totient is φ = 13763520.

The previous prime is 56827961. The next prime is 56828017. The reversal of 56827980 is 8972865.

56827980 is a `hidden beast` number, since 568 + 2 + 7 + 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 47 ways as a sum of consecutive naturals, for example, 52929 + ... + 53991.

It is an arithmetic number, because the mean of its divisors is an integer number (1355536).

Almost surely, 2^56827980 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 56827980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97598592).

56827980 is an abundant number, since it is smaller than the sum of its proper divisors (138369204).

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

56827980 is a wasteful number, since it uses less digits than its factorization.

56827980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1084 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 56827980 is about 7538.4335242808. The cubic root of 56827980 is about 384.4625773081.

The spelling of 56827980 in words is "fifty-six million, eight hundred twenty-seven thousand, nine hundred eighty".