53075839 has 4 divisors (see below), whose sum is σ = 53090856. Its totient is φ = 53060824.

The previous prime is 53075821. The next prime is 53075849. The reversal of 53075839 is 93857035.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 93857035 = 5 ⋅18771407.

It is a cyclic number.

It is not a de Polignac number, because 53075839 - 2⁵ = 53075807 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53075849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032 + ... + 10354.

It is an arithmetic number, because the mean of its divisors is an integer number (13272714).

Almost surely, 2^53075839 is an apocalyptic number.

53075839 is a deficient number, since it is larger than the sum of its proper divisors (15017).

53075839 is an equidigital number, since it uses as much as digits as its factorization.

53075839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15016.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 53075839 is about 7285.3166712230. The cubic root of 53075839 is about 375.8076554133.

The spelling of 53075839 in words is "fifty-three million, seventy-five thousand, eight hundred thirty-nine".