56856132 has 72 divisors (see below), whose sum is σ = 152967360. Its totient is φ = 17755200.

The previous prime is 56856131. The next prime is 56856167. The reversal of 56856132 is 23165865.

56856132 is a `hidden beast` number, since 5 + 68 + 561 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (56856131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68673 + ... + 69495.

Almost surely, 2^56856132 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 56856132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76483680).

56856132 is an abundant number, since it is smaller than the sum of its proper divisors (96111228).

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

56856132 is a wasteful number, since it uses less digits than its factorization.

56856132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 948 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 56856132 is about 7540.3005245149. The cubic root of 56856132 is about 384.5260531036.

The spelling of 56856132 in words is "fifty-six million, eight hundred fifty-six thousand, one hundred thirty-two".