56707722631 has 8 divisors (see below), whose sum is σ = 64810265984. Its totient is φ = 48605539320.

The previous prime is 56707722629. The next prime is 56707722641. The reversal of 56707722631 is 13622770765.

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 56707722631 - 2¹ = 56707722629 is a prime.

It is a super-2 number, since 2×56707722631² (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 (56707722641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582076 + ... + 672478.

It is an arithmetic number, because the mean of its divisors is an integer number (8101283248).

Almost surely, 2^56707722631 is an apocalyptic number.

56707722631 is a deficient number, since it is larger than the sum of its proper divisors (8102543353).

56707722631 is an equidigital number, since it uses as much as digits as its factorization.

56707722631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180021.

The product of its (nonzero) digits is 740880, while the sum is 46.

The spelling of 56707722631 in words is "fifty-six billion, seven hundred seven million, seven hundred twenty-two thousand, six hundred thirty-one".