56332988028 has 42 divisors (see below), whose sum is σ = 147806486184. Its totient is φ = 18777661704.

The previous prime is 56332988021. The next prime is 56332988029. The reversal of 56332988028 is 82088923365.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56332988021) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 9656376 + ... + 9662207.

It is an arithmetic number, because the mean of its divisors is an integer number (3519202052).

Almost surely, 2^56332988028 is an apocalyptic number.

It is an amenable number.

56332988028 is an abundant number, since it is smaller than the sum of its proper divisors (91473498156).

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

56332988028 is a wasteful number, since it uses less digits than its factorization.

56332988028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19318605 (or 19318588 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 56332988028 in words is "fifty-six billion, three hundred thirty-two million, nine hundred eighty-eight thousand, twenty-eight".