56526117988 has 48 divisors (see below), whose sum is σ = 105198630768. Its totient is φ = 26484224000.

The previous prime is 56526117953. The next prime is 56526118021. The reversal of 56526117988 is 88971162565.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2608349184 + 53917768804 = 51072^2 + 232202^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16330578 + ... + 16334038.

It is an arithmetic number, because the mean of its divisors is an integer number (2191638141).

Almost surely, 2^56526117988 is an apocalyptic number.

It is an amenable number.

56526117988 is a deficient number, since it is larger than the sum of its proper divisors (48672512780).

56526117988 is a wasteful number, since it uses less digits than its factorization.

56526117988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4464 (or 4462 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 58.

The spelling of 56526117988 in words is "fifty-six billion, five hundred twenty-six million, one hundred seventeen thousand, nine hundred eighty-eight".