52571375779 has 4 divisors (see below), whose sum is σ = 56615327776. Its totient is φ = 48527423784.

The previous prime is 52571375777. The next prime is 52571375833. The reversal of 52571375779 is 97757317525.

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 52571375779 - 2¹ = 52571375777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52571375777) 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, 2021975979 + ... + 2021976004.

It is an arithmetic number, because the mean of its divisors is an integer number (14153831944).

Almost surely, 2^52571375779 is an apocalyptic number.

52571375779 is a deficient number, since it is larger than the sum of its proper divisors (4043951997).

52571375779 is a wasteful number, since it uses less digits than its factorization.

52571375779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4043951996.

The product of its digits is 16206750, while the sum is 58.

The spelling of 52571375779 in words is "fifty-two billion, five hundred seventy-one million, three hundred seventy-five thousand, seven hundred seventy-nine".