53623931 has 2 divisors, whose sum is σ = 53623932. Its totient is φ = 53623930.

The previous prime is 53623907. The next prime is 53623937. The reversal of 53623931 is 13932635.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53623931 is a prime.

It is a super-2 number, since 2×53623931² = 5751051951785522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53623937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26811965 + 26811966.

It is an arithmetic number, because the mean of its divisors is an integer number (26811966).

Almost surely, 2^53623931 is an apocalyptic number.

53623931 is a deficient number, since it is larger than the sum of its proper divisors (1).

53623931 is an equidigital number, since it uses as much as digits as its factorization.

53623931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 32.

The square root of 53623931 is about 7322.8362674581. The cubic root of 53623931 is about 377.0968308007.

The spelling of 53623931 in words is "fifty-three million, six hundred twenty-three thousand, nine hundred thirty-one".