53215205239 has 4 divisors (see below), whose sum is σ = 60817377424. Its totient is φ = 45613033056.

The previous prime is 53215205237. The next prime is 53215205297. The reversal of 53215205239 is 93250251235.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53215205239 - 2¹ = 53215205237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53215205198 and 53215205207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53215205231) 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, 3801086082 + ... + 3801086095.

It is an arithmetic number, because the mean of its divisors is an integer number (15204344356).

Almost surely, 2^53215205239 is an apocalyptic number.

53215205239 is a deficient number, since it is larger than the sum of its proper divisors (7602172185).

53215205239 is an equidigital number, since it uses as much as digits as its factorization.

53215205239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7602172184.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 53215205239 in words is "fifty-three billion, two hundred fifteen million, two hundred five thousand, two hundred thirty-nine".