53994631 has 2 divisors, whose sum is σ = 53994632. Its totient is φ = 53994630.

The previous prime is 53994623. The next prime is 53994643. The reversal of 53994631 is 13649935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53994631 - 2³ = 53994623 is a prime.

It is a super-2 number, since 2×53994631² = 5830840353652322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53994671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26997315 + 26997316.

It is an arithmetic number, because the mean of its divisors is an integer number (26997316).

Almost surely, 2^53994631 is an apocalyptic number.

53994631 is a deficient number, since it is larger than the sum of its proper divisors (1).

53994631 is an equidigital number, since it uses as much as digits as its factorization.

53994631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 87480, while the sum is 40.

The square root of 53994631 is about 7348.1039050901. The cubic root of 53994631 is about 377.9637876716.

The spelling of 53994631 in words is "fifty-three million, nine hundred ninety-four thousand, six hundred thirty-one".