55712631 has 8 divisors (see below), whose sum is σ = 79997680. Its totient is φ = 34284672.

The previous prime is 55712627. The next prime is 55712659. The reversal of 55712631 is 13621755.

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

It is not a de Polignac number, because 55712631 - 2² = 55712627 is a prime.

It is a super-2 number, since 2×55712631² = 6207794505884322, which 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 (55712231) 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, 714226 + ... + 714303.

It is an arithmetic number, because the mean of its divisors is an integer number (9999710).

Almost surely, 2^55712631 is an apocalyptic number.

55712631 is a deficient number, since it is larger than the sum of its proper divisors (24285049).

55712631 is a wasteful number, since it uses less digits than its factorization.

55712631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428545.

The product of its digits is 6300, while the sum is 30.

The square root of 55712631 is about 7464.0894287247. The cubic root of 55712631 is about 381.9306887944.

The spelling of 55712631 in words is "fifty-five million, seven hundred twelve thousand, six hundred thirty-one".