56549368512 has 420 divisors, whose sum is σ = 207469989936. Its totient is φ = 14912501760.

The previous prime is 56549368453. The next prime is 56549368541. The reversal of 56549368512 is 21586394565.

56549368512 is a `hidden beast` number, since 5 + 6 + 549 + 3 + 6 + 85 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 6128062 + ... + 6137282.

Almost surely, 2^56549368512 is an apocalyptic number.

56549368512 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 56549368512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103734994968).

56549368512 is an abundant number, since it is smaller than the sum of its proper divisors (150920621424).

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

56549368512 is a wasteful number, since it uses less digits than its factorization.

56549368512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9278 (or 9246 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The spelling of 56549368512 in words is "fifty-six billion, five hundred forty-nine million, three hundred sixty-eight thousand, five hundred twelve".