53930231 has 2 divisors, whose sum is σ = 53930232. Its totient is φ = 53930230.

The previous prime is 53930221. The next prime is 53930237. The reversal of 53930231 is 13203935.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53930231 is a prime.

It is a super-2 number, since 2×53930231² = 5816939631426722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53930231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53930237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26965115 + 26965116.

It is an arithmetic number, because the mean of its divisors is an integer number (26965116).

Almost surely, 2^53930231 is an apocalyptic number.

53930231 is a deficient number, since it is larger than the sum of its proper divisors (1).

53930231 is an equidigital number, since it uses as much as digits as its factorization.

53930231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 53930231 is about 7343.7205148344. The cubic root of 53930231 is about 377.8134606786.

The spelling of 53930231 in words is "fifty-three million, nine hundred thirty thousand, two hundred thirty-one".