56632988927 has 4 divisors (see below), whose sum is σ = 56949374520. Its totient is φ = 56316603336.

The previous prime is 56632988891. The next prime is 56632988953. The reversal of 56632988927 is 72988923665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56632988927 - 2¹² = 56632984831 is a prime.

It is a super-2 number, since 2×56632988927² (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 (56632984927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 158192528 + ... + 158192885.

It is an arithmetic number, because the mean of its divisors is an integer number (14237343630).

Almost surely, 2^56632988927 is an apocalyptic number.

56632988927 is a deficient number, since it is larger than the sum of its proper divisors (316385593).

56632988927 is a wasteful number, since it uses less digits than its factorization.

56632988927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316385592.

The product of its digits is 78382080, while the sum is 65.

The spelling of 56632988927 in words is "fifty-six billion, six hundred thirty-two million, nine hundred eighty-eight thousand, nine hundred twenty-seven".