56725265328 has 80 divisors (see below), whose sum is σ = 151662182880. Its totient is φ = 18248122368.

The previous prime is 56725265243. The next prime is 56725265353. The reversal of 56725265328 is 82356252765.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3551376 + ... + 3567312.

It is an arithmetic number, because the mean of its divisors is an integer number (1895777286).

Almost surely, 2^56725265328 is an apocalyptic number.

56725265328 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56725265328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75831091440).

56725265328 is an abundant number, since it is smaller than the sum of its proper divisors (94936917552).

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

56725265328 is a wasteful number, since it uses less digits than its factorization.

56725265328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18534 (or 18528 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 51.

The spelling of 56725265328 in words is "fifty-six billion, seven hundred twenty-five million, two hundred sixty-five thousand, three hundred twenty-eight".