56979099576 has 192 divisors, whose sum is σ = 181595494080. Its totient is φ = 15800924160.

The previous prime is 56979099553. The next prime is 56979099589. The reversal of 56979099576 is 67599097965.

56979099576 is a `hidden beast` number, since 569 + 7 + 9 + 0 + 9 + 9 + 57 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4063810 + ... + 4077806.

It is an arithmetic number, because the mean of its divisors is an integer number (945809865).

Almost surely, 2^56979099576 is an apocalyptic number.

56979099576 is a gapful number since it is divisible by the number (56) 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 56979099576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90797747040).

56979099576 is an abundant number, since it is smaller than the sum of its proper divisors (124616394504).

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

56979099576 is a wasteful number, since it uses less digits than its factorization.

56979099576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14254 (or 14247 counting only the distinct ones).

The product of its (nonzero) digits is 289340100, while the sum is 72.

The spelling of 56979099576 in words is "fifty-six billion, nine hundred seventy-nine million, ninety-nine thousand, five hundred seventy-six".