52522277521 has 8 divisors (see below), whose sum is σ = 60027011840. Its totient is φ = 45017931168.

The previous prime is 52522277501. The next prime is 52522277531. The reversal of 52522277521 is 12577222525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52522277521 - 2⁹ = 52522277009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52522277501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303205 + ... + 443821.

It is an arithmetic number, because the mean of its divisors is an integer number (7503376480).

Almost surely, 2^52522277521 is an apocalyptic number.

It is an amenable number.

52522277521 is a deficient number, since it is larger than the sum of its proper divisors (7504734319).

52522277521 is a wasteful number, since it uses less digits than its factorization.

52522277521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193983.

The product of its digits is 196000, while the sum is 40.

The spelling of 52522277521 in words is "fifty-two billion, five hundred twenty-two million, two hundred seventy-seven thousand, five hundred twenty-one".