56485777572 has 192 divisors, whose sum is σ = 173868871680. Its totient is φ = 15522796800.

The previous prime is 56485777561. The next prime is 56485777633. The reversal of 56485777572 is 27577758465.

It is a happy number.

56485777572 is a `hidden beast` number, since 5 + 6 + 4 + 8 + 57 + 7 + 7 + 572 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2187883 + ... + 2213549.

It is an arithmetic number, because the mean of its divisors is an integer number (905567040).

Almost surely, 2^56485777572 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 56485777572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86934435840).

56485777572 is an abundant number, since it is smaller than the sum of its proper divisors (117383094108).

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

56485777572 is a wasteful number, since it uses less digits than its factorization.

56485777572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25799 (or 25791 counting only the distinct ones).

The product of its digits is 115248000, while the sum is 63.

The spelling of 56485777572 in words is "fifty-six billion, four hundred eighty-five million, seven hundred seventy-seven thousand, five hundred seventy-two".