56748928631 has 8 divisors (see below), whose sum is σ = 58585571328. Its totient is φ = 54912663000.

The previous prime is 56748928627. The next prime is 56748928637. The reversal of 56748928631 is 13682984765.

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

It is a cyclic number.

It is not a de Polignac number, because 56748928631 - 2² = 56748928627 is a prime.

It is a super-2 number, since 2×56748928631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56748928637) 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, 229286 + ... + 407516.

It is an arithmetic number, because the mean of its divisors is an integer number (7323196416).

Almost surely, 2^56748928631 is an apocalyptic number.

56748928631 is a deficient number, since it is larger than the sum of its proper divisors (1836642697).

56748928631 is a wasteful number, since it uses less digits than its factorization.

56748928631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188533.

The product of its digits is 17418240, while the sum is 59.

The spelling of 56748928631 in words is "fifty-six billion, seven hundred forty-eight million, nine hundred twenty-eight thousand, six hundred thirty-one".