56999427930 has 24 divisors (see below), whose sum is σ = 148198512852. Its totient is φ = 15199847424.

The previous prime is 56999427899. The next prime is 56999427937. The reversal of 56999427930 is 3972499965.

It can be written as a sum of positive squares in 2 ways, for example, as 56866510089 + 132917841 = 238467^2 + 11529^2 .

It is not an unprimeable number, because it can be changed into a prime (56999427937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316663399 + ... + 316663578.

Almost surely, 2^56999427930 is an apocalyptic number.

56999427930 is an abundant number, since it is smaller than the sum of its proper divisors (91199084922).

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

56999427930 is a wasteful number, since it uses less digits than its factorization.

56999427930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633326990 (or 633326987 counting only the distinct ones).

The product of its (nonzero) digits is 33067440, while the sum is 63.

The spelling of 56999427930 in words is "fifty-six billion, nine hundred ninety-nine million, four hundred twenty-seven thousand, nine hundred thirty".