52521075577 has 4 divisors (see below), whose sum is σ = 52521705360. Its totient is φ = 52520445796.

The previous prime is 52521075491. The next prime is 52521075587. The reversal of 52521075577 is 77557012525.

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 a cyclic number.

It is not a de Polignac number, because 52521075577 - 2⁷ = 52521075449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52521075587) 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, 166483 + ... + 364360.

It is an arithmetic number, because the mean of its divisors is an integer number (13130426340).

Almost surely, 2^52521075577 is an apocalyptic number.

It is an amenable number.

52521075577 is a deficient number, since it is larger than the sum of its proper divisors (629783).

52521075577 is an equidigital number, since it uses as much as digits as its factorization.

52521075577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629782.

The product of its (nonzero) digits is 857500, while the sum is 46.

The spelling of 52521075577 in words is "fifty-two billion, five hundred twenty-one million, seventy-five thousand, five hundred seventy-seven".