56132248728 has 32 divisors (see below), whose sum is σ = 148585365360. Its totient is φ = 17610117120.

The previous prime is 56132248727. The next prime is 56132248771. The reversal of 56132248728 is 82784223165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56132248721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68789113 + ... + 68789928.

Almost surely, 2^56132248728 is an apocalyptic number.

It is an amenable number.

56132248728 is an abundant number, since it is smaller than the sum of its proper divisors (92453116632).

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

56132248728 is a wasteful number, since it uses less digits than its factorization.

56132248728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137579067 (or 137579063 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The spelling of 56132248728 in words is "fifty-six billion, one hundred thirty-two million, two hundred forty-eight thousand, seven hundred twenty-eight".