56012233992 has 128 divisors (see below), whose sum is σ = 164747520000. Its totient is φ = 15645277440.

The previous prime is 56012233969. The next prime is 56012233993. The reversal of 56012233992 is 29933221065.

It is not an unprimeable number, because it can be changed into a prime (56012233993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2456259 + ... + 2478957.

It is an arithmetic number, because the mean of its divisors is an integer number (1287090000).

Almost surely, 2^56012233992 is an apocalyptic number.

56012233992 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56012233992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82373760000).

56012233992 is an abundant number, since it is smaller than the sum of its proper divisors (108735286008).

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

56012233992 is a wasteful number, since it uses less digits than its factorization.

56012233992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23451 (or 23447 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The spelling of 56012233992 in words is "fifty-six billion, twelve million, two hundred thirty-three thousand, nine hundred ninety-two".