52616631 has 8 divisors (see below), whose sum is σ = 70668144. Its totient is φ = 34821440.

The previous prime is 52616621. The next prime is 52616639. The reversal of 52616631 is 13661625.

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 52616631 - 2⁷ = 52616503 is a prime.

It is a super-2 number, since 2×52616631² = 5537019715580322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52616639) 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, 63600 + ... + 64421.

It is an arithmetic number, because the mean of its divisors is an integer number (8833518).

Almost surely, 2^52616631 is an apocalyptic number.

52616631 is a deficient number, since it is larger than the sum of its proper divisors (18051513).

52616631 is a wasteful number, since it uses less digits than its factorization.

52616631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128161.

The product of its digits is 6480, while the sum is 30.

The square root of 52616631 is about 7253.7322117652. The cubic root of 52616631 is about 374.7206951329.

The spelling of 52616631 in words is "fifty-two million, six hundred sixteen thousand, six hundred thirty-one".