53662631 has 16 divisors (see below), whose sum is σ = 62280960. Its totient is φ = 45722880.

The previous prime is 53662621. The next prime is 53662649. The reversal of 53662631 is 13626635.

It is a cyclic number.

It is not a de Polignac number, because 53662631 - 2¹⁰ = 53661607 is a prime.

It is a super-2 number, since 2×53662631² = 5759355931684322, 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 (53662601) 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, 18950 + ... + 21596.

It is an arithmetic number, because the mean of its divisors is an integer number (3892560).

Almost surely, 2^53662631 is an apocalyptic number.

53662631 is a deficient number, since it is larger than the sum of its proper divisors (8618329).

53662631 is a wasteful number, since it uses less digits than its factorization.

53662631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774.

The product of its digits is 19440, while the sum is 32.

The square root of 53662631 is about 7325.4782096461. The cubic root of 53662631 is about 377.1875249974.

It can be divided in two parts, 5366 and 2631, that added together give a palindrome (7997).

The spelling of 53662631 in words is "fifty-three million, six hundred sixty-two thousand, six hundred thirty-one".