52225074521 has 4 divisors (see below), whose sum is σ = 52623739344. Its totient is φ = 51826409700.

The previous prime is 52225074509. The next prime is 52225074523. The reversal of 52225074521 is 12547052225.

52225074521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-52225074521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52225074523) 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, 199332215 + ... + 199332476.

It is an arithmetic number, because the mean of its divisors is an integer number (13155934836).

Almost surely, 2^52225074521 is an apocalyptic number.

It is an amenable number.

52225074521 is a deficient number, since it is larger than the sum of its proper divisors (398664823).

52225074521 is a wasteful number, since it uses less digits than its factorization.

52225074521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398664822.

The product of its (nonzero) digits is 56000, while the sum is 35.

The spelling of 52225074521 in words is "fifty-two billion, two hundred twenty-five million, seventy-four thousand, five hundred twenty-one".