56198912 has 72 divisors (see below), whose sum is σ = 139907712. Its totient is φ = 21888000.

The previous prime is 56198911. The next prime is 56198917. The reversal of 56198912 is 21989165.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 56198912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56198911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18287 + ... + 21137.

Almost surely, 2^56198912 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 56198912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69953856).

56198912 is an abundant number, since it is smaller than the sum of its proper divisors (83708800).

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

56198912 is a wasteful number, since it uses less digits than its factorization.

56198912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2885 (or 2871 counting only the distinct ones).

The product of its digits is 38880, while the sum is 41.

The square root of 56198912 is about 7496.5933596534. The cubic root of 56198912 is about 383.0386833836.

The spelling of 56198912 in words is "fifty-six million, one hundred ninety-eight thousand, nine hundred twelve".