56861311752 has 96 divisors (see below), whose sum is σ = 182068286400. Its totient is φ = 15685875072.

The previous prime is 56861311751. The next prime is 56861311757. The reversal of 56861311752 is 25711316865.

56861311752 is a `hidden beast` number, since 568 + 6 + 1 + 3 + 11 + 75 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 56861311698 and 56861311707.

It is not an unprimeable number, because it can be changed into a prime (56861311751) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1930558 + ... + 1959789.

It is an arithmetic number, because the mean of its divisors is an integer number (1896544650).

Almost surely, 2^56861311752 is an apocalyptic number.

It is an amenable number.

56861311752 is an abundant number, since it is smaller than the sum of its proper divisors (125206974648).

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

56861311752 is a wasteful number, since it uses less digits than its factorization.

56861311752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3890395 (or 3890388 counting only the distinct ones).

The product of its digits is 302400, while the sum is 45.

The spelling of 56861311752 in words is "fifty-six billion, eight hundred sixty-one million, three hundred eleven thousand, seven hundred fifty-two".