53239113 has 12 divisors (see below), whose sum is σ = 79749488. Its totient is φ = 35492580.

The previous prime is 53239097. The next prime is 53239133. The reversal of 53239113 is 31193235.

It is a happy number.

53239113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53239113 - 2⁴ = 53239097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53239133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109303 + ... + 109788.

Almost surely, 2^53239113 is an apocalyptic number.

It is an amenable number.

53239113 is a deficient number, since it is larger than the sum of its proper divisors (26510375).

53239113 is an equidigital number, since it uses as much as digits as its factorization.

53239113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219106 (or 219094 counting only the distinct ones).

The product of its digits is 2430, while the sum is 27.

The square root of 53239113 is about 7296.5137565827. The cubic root of 53239113 is about 376.1926190718.

The spelling of 53239113 in words is "fifty-three million, two hundred thirty-nine thousand, one hundred thirteen".