52655631 has 16 divisors (see below), whose sum is σ = 84460800. Its totient is φ = 28505088.

The previous prime is 52655623. The next prime is 52655641. The reversal of 52655631 is 13655625.

It is not a de Polignac number, because 52655631 - 2³ = 52655623 is a prime.

It is a super-2 number, since 2×52655631² = 5545230952016322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52655592 and 52655601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52655621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65586 + ... + 66383.

It is an arithmetic number, because the mean of its divisors is an integer number (5278800).

Almost surely, 2^52655631 is an apocalyptic number.

52655631 is a deficient number, since it is larger than the sum of its proper divisors (31805169).

52655631 is a wasteful number, since it uses less digits than its factorization.

52655631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131998.

The product of its digits is 27000, while the sum is 33.

The square root of 52655631 is about 7256.4199850891. The cubic root of 52655631 is about 374.8132545740.

The spelling of 52655631 in words is "fifty-two million, six hundred fifty-five thousand, six hundred thirty-one".