56612772320 has 48 divisors (see below), whose sum is σ = 144035962560. Its totient is φ = 20903176704.

The previous prime is 56612772319. The next prime is 56612772323. The reversal of 56612772320 is 2327721665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56612772323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13606760 + ... + 13610919.

It is an arithmetic number, because the mean of its divisors is an integer number (3000749220).

Almost surely, 2^56612772320 is an apocalyptic number.

It is an amenable number.

56612772320 is an abundant number, since it is smaller than the sum of its proper divisors (87423190240).

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

56612772320 is a wasteful number, since it uses less digits than its factorization.

56612772320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27217707 (or 27217699 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 56612772320 in words is "fifty-six billion, six hundred twelve million, seven hundred seventy-two thousand, three hundred twenty".