56347812 has 72 divisors (see below), whose sum is σ = 152880000. Its totient is φ = 18125856.

The previous prime is 56347807. The next prime is 56347813. The reversal of 56347812 is 21874365.

56347812 is a `hidden beast` number, since 5 + 634 + 7 + 8 + 12 = 666.

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

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (56347813) 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, 27189 + ... + 29187.

Almost surely, 2^56347812 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 56347812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76440000).

56347812 is an abundant number, since it is smaller than the sum of its proper divisors (96532188).

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

56347812 is a wasteful number, since it uses less digits than its factorization.

56347812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047 (or 2033 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 56347812 is about 7506.5179677398. The cubic root of 56347812 is about 383.3766742846.

The spelling of 56347812 in words is "fifty-six million, three hundred forty-seven thousand, eight hundred twelve".