53239868277 has 4 divisors (see below), whose sum is σ = 70986491040. Its totient is φ = 35493245516.

The previous prime is 53239868273. The next prime is 53239868281. The reversal of 53239868277 is 77286893235.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (53239868273) and next prime (53239868281).

It is a cyclic number.

It is not a de Polignac number, because 53239868277 - 2² = 53239868273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53239868277.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53239868273) 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, 8873311377 + ... + 8873311382.

It is an arithmetic number, because the mean of its divisors is an integer number (17746622760).

Almost surely, 2^53239868277 is an apocalyptic number.

It is an amenable number.

53239868277 is a deficient number, since it is larger than the sum of its proper divisors (17746622763).

53239868277 is a wasteful number, since it uses less digits than its factorization.

53239868277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17746622762.

The product of its digits is 30481920, while the sum is 60.

The spelling of 53239868277 in words is "fifty-three billion, two hundred thirty-nine million, eight hundred sixty-eight thousand, two hundred seventy-seven".