56986380 has 144 divisors (see below), whose sum is σ = 199783584. Its totient is φ = 12994560.

The previous prime is 56986337. The next prime is 56986403. The reversal of 56986380 is 8368965.

56986380 is a `hidden beast` number, since 5 + 6 + 9 + 8 + 638 + 0 = 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, 32814 + ... + 34506.

It is an arithmetic number, because the mean of its divisors is an integer number (1387386).

Almost surely, 2^56986380 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 56986380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99891792).

56986380 is an abundant number, since it is smaller than the sum of its proper divisors (142797204).

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

56986380 is a wasteful number, since it uses less digits than its factorization.

56986380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736 (or 1731 counting only the distinct ones).

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

The square root of 56986380 is about 7548.9323748461. The cubic root of 56986380 is about 384.8194577120.

The spelling of 56986380 in words is "fifty-six million, nine hundred eighty-six thousand, three hundred eighty".