56377368576 has 336 divisors, whose sum is σ = 170982948864. Its totient is φ = 18560876544.

The previous prime is 56377368557. The next prime is 56377368587. The reversal of 56377368576 is 67586377365.

56377368576 is a `hidden beast` number, since 56 + 3 + 7 + 7 + 3 + 6 + 8 + 576 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252813201 + ... + 252813423.

It is an arithmetic number, because the mean of its divisors is an integer number (508877824).

Almost surely, 2^56377368576 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 56377368576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85491474432).

56377368576 is an abundant number, since it is smaller than the sum of its proper divisors (114605580288).

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

56377368576 is an equidigital number, since it uses as much as digits as its factorization.

56377368576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 355 counting only the distinct ones).

The product of its digits is 133358400, while the sum is 63.

The spelling of 56377368576 in words is "fifty-six billion, three hundred seventy-seven million, three hundred sixty-eight thousand, five hundred seventy-six".