56939591090 has 8 divisors (see below), whose sum is σ = 102491263980. Its totient is φ = 22775836432.

The previous prime is 56939591063. The next prime is 56939591101. The reversal of 56939591090 is 9019593965.

It can be written as a sum of positive squares in 2 ways, for example, as 56336446609 + 603144481 = 237353^2 + 24559^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 2846979545 + ... + 2846979564.

Almost surely, 2^56939591090 is an apocalyptic number.

56939591090 is a deficient number, since it is larger than the sum of its proper divisors (45551672890).

56939591090 is a wasteful number, since it uses less digits than its factorization.

56939591090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5693959116.

The product of its (nonzero) digits is 2952450, while the sum is 56.

The spelling of 56939591090 in words is "fifty-six billion, nine hundred thirty-nine million, five hundred ninety-one thousand, ninety".