53086279 has 4 divisors (see below), whose sum is σ = 53101576. Its totient is φ = 53070984.

The previous prime is 53086259. The next prime is 53086283. The reversal of 53086279 is 97268035.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53086279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53086259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337 + ... + 10309.

It is an arithmetic number, because the mean of its divisors is an integer number (13275394).

Almost surely, 2^53086279 is an apocalyptic number.

53086279 is a deficient number, since it is larger than the sum of its proper divisors (15297).

53086279 is an equidigital number, since it uses as much as digits as its factorization.

53086279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15296.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 53086279 is about 7286.0331456836. The cubic root of 53086279 is about 375.8322942118.

The spelling of 53086279 in words is "fifty-three million, eighty-six thousand, two hundred seventy-nine".