45568631 has 4 divisors (see below), whose sum is σ = 47967000. Its totient is φ = 43170264.

The previous prime is 45568609. The next prime is 45568637. The reversal of 45568631 is 13686554.

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 45568631 - 2¹⁰ = 45567607 is a prime.

It is a super-2 number, since 2×45568631² = 4153000262428322, 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 (45568637) 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, 1199156 + ... + 1199193.

It is an arithmetic number, because the mean of its divisors is an integer number (11991750).

Almost surely, 2^45568631 is an apocalyptic number.

45568631 is a deficient number, since it is larger than the sum of its proper divisors (2398369).

45568631 is a wasteful number, since it uses less digits than its factorization.

45568631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398368.

The product of its digits is 86400, while the sum is 38.

The square root of 45568631 is about 6750.4541328714. The cubic root of 45568631 is about 357.1812563132.

The spelling of 45568631 in words is "forty-five million, five hundred sixty-eight thousand, six hundred thirty-one".