56112999800 has 288 divisors, whose sum is σ = 155475361440. Its totient is φ = 18708096000.

The previous prime is 56112999793. The next prime is 56112999827. The reversal of 56112999800 is 899921165.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 54425285 + ... + 54426315.

It is an arithmetic number, because the mean of its divisors is an integer number (539845005).

Almost surely, 2^56112999800 is an apocalyptic number.

56112999800 is a gapful number since it is divisible by the number (50) 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 56112999800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77737680720).

56112999800 is an abundant number, since it is smaller than the sum of its proper divisors (99362361640).

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

56112999800 is a wasteful number, since it uses less digits than its factorization.

56112999800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 1235 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 50.

The spelling of 56112999800 in words is "fifty-six billion, one hundred twelve million, nine hundred ninety-nine thousand, eight hundred".