56449788772 has 12 divisors (see below), whose sum is σ = 106386140476. Its totient is φ = 26053748640.

The previous prime is 56449788767. The next prime is 56449788781. The reversal of 56449788772 is 27788794465.

56449788772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15421665856 + 41028122916 = 124184^2 + 202554^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56449788698 and 56449788707.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542786379 + ... + 542786482.

Almost surely, 2^56449788772 is an apocalyptic number.

56449788772 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

56449788772 is a deficient number, since it is larger than the sum of its proper divisors (49936351704).

56449788772 is a wasteful number, since it uses less digits than its factorization.

56449788772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085572878 (or 1085572876 counting only the distinct ones).

The product of its digits is 189665280, while the sum is 67.

The spelling of 56449788772 in words is "fifty-six billion, four hundred forty-nine million, seven hundred eighty-eight thousand, seven hundred seventy-two".