52722412257 has 32 divisors (see below), whose sum is σ = 76506768000. Its totient is φ = 32180779008.

The previous prime is 52722412247. The next prime is 52722412271. The reversal of 52722412257 is 75221422725.

It is not a de Polignac number, because 52722412257 - 2⁴ = 52722412241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52722412217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230353 + ... + 398129.

It is an arithmetic number, because the mean of its divisors is an integer number (2390836500).

Almost surely, 2^52722412257 is an apocalyptic number.

52722412257 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

52722412257 is a deficient number, since it is larger than the sum of its proper divisors (23784355743).

52722412257 is a wasteful number, since it uses less digits than its factorization.

52722412257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167985.

The product of its digits is 156800, while the sum is 39.

The spelling of 52722412257 in words is "fifty-two billion, seven hundred twenty-two million, four hundred twelve thousand, two hundred fifty-seven".