52607631 has 4 divisors (see below), whose sum is σ = 70143512. Its totient is φ = 35071752.

The previous prime is 52607623. The next prime is 52607677. The reversal of 52607631 is 13670625.

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

It is not a de Polignac number, because 52607631 - 2³ = 52607623 is a prime.

It is a super-2 number, since 2×52607631² = 5535125678864322, 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 (52607431) 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, 8767936 + ... + 8767941.

It is an arithmetic number, because the mean of its divisors is an integer number (17535878).

Almost surely, 2^52607631 is an apocalyptic number.

52607631 is a deficient number, since it is larger than the sum of its proper divisors (17535881).

52607631 is a wasteful number, since it uses less digits than its factorization.

52607631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17535880.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 52607631 is about 7253.1118149385. Note that the first 3 decimals coincide. The cubic root of 52607631 is about 374.6993287670.

The spelling of 52607631 in words is "fifty-two million, six hundred seven thousand, six hundred thirty-one".