53568631 has 2 divisors, whose sum is σ = 53568632. Its totient is φ = 53568630.

The previous prime is 53568569. The next prime is 53568677. The reversal of 53568631 is 13686535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53568631 - 2⁷ = 53568503 is a prime.

It is a super-2 number, since 2×53568631² = 5739196454428322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53560631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26784315 + 26784316.

It is an arithmetic number, because the mean of its divisors is an integer number (26784316).

Almost surely, 2^53568631 is an apocalyptic number.

53568631 is a deficient number, since it is larger than the sum of its proper divisors (1).

53568631 is an equidigital number, since it uses as much as digits as its factorization.

53568631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 37.

The square root of 53568631 is about 7319.0594341076. The cubic root of 53568631 is about 376.9671584269.

The spelling of 53568631 in words is "fifty-three million, five hundred sixty-eight thousand, six hundred thirty-one".