53626231 has 4 divisors (see below), whose sum is σ = 53649072. Its totient is φ = 53603392.

The previous prime is 53626207. The next prime is 53626247. The reversal of 53626231 is 13262635.

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 53626231 - 2¹¹ = 53624183 is a prime.

It is a super-2 number, since 2×53626231² = 5751545302530722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53626231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53626631) 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, 7435 + ... + 12748.

It is an arithmetic number, because the mean of its divisors is an integer number (13412268).

Almost surely, 2^53626231 is an apocalyptic number.

53626231 is a deficient number, since it is larger than the sum of its proper divisors (22841).

53626231 is a wasteful number, since it uses less digits than its factorization.

53626231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22840.

The product of its digits is 6480, while the sum is 28.

The square root of 53626231 is about 7322.9933087502. The cubic root of 53626231 is about 377.1022221144.

Adding to 53626231 its reverse (13262635), we get a palindrome (66888866).

The spelling of 53626231 in words is "fifty-three million, six hundred twenty-six thousand, two hundred thirty-one".