56630657657 has 8 divisors (see below), whose sum is σ = 65781748032. Its totient is φ = 47744816400.

The previous prime is 56630657639. The next prime is 56630657693. The reversal of 56630657657 is 75675603665.

It is a happy number.

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 56630657657 - 2¹⁸ = 56630395513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56630657627) 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, 66311819 + ... + 66312672.

It is an arithmetic number, because the mean of its divisors is an integer number (8222718504).

Almost surely, 2^56630657657 is an apocalyptic number.

It is an amenable number.

56630657657 is a deficient number, since it is larger than the sum of its proper divisors (9151090375).

56630657657 is a wasteful number, since it uses less digits than its factorization.

56630657657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132624559.

The product of its (nonzero) digits is 23814000, while the sum is 56.

The spelling of 56630657657 in words is "fifty-six billion, six hundred thirty million, six hundred fifty-seven thousand, six hundred fifty-seven".