56730223732 has 72 divisors (see below), whose sum is σ = 124431523944. Its totient is φ = 22431644928.

The previous prime is 56730223721. The next prime is 56730223751. The reversal of 56730223732 is 23732203765.

It can be written as a sum of positive squares in 4 ways, for example, as 2237857636 + 54492366096 = 47306^2 + 233436^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6816838 + ... + 6825154.

Almost surely, 2^56730223732 is an apocalyptic number.

56730223732 is a gapful number since it is divisible by the number (52) 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 56730223732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62215761972).

56730223732 is an abundant number, since it is smaller than the sum of its proper divisors (67701300212).

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

56730223732 is a wasteful number, since it uses less digits than its factorization.

56730223732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11025 (or 11016 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 40.

The spelling of 56730223732 in words is "fifty-six billion, seven hundred thirty million, two hundred twenty-three thousand, seven hundred thirty-two".