52501221249 has 8 divisors (see below), whose sum is σ = 73685924640. Its totient is φ = 33158666016.

The previous prime is 52501221247. The next prime is 52501221277. The reversal of 52501221249 is 94212210525.

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

It is not a de Polignac number, because 52501221249 - 2¹ = 52501221247 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52501221247) 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, 460536972 + ... + 460537085.

It is an arithmetic number, because the mean of its divisors is an integer number (9210740580).

Almost surely, 2^52501221249 is an apocalyptic number.

It is an amenable number.

52501221249 is a deficient number, since it is larger than the sum of its proper divisors (21184703391).

52501221249 is a wasteful number, since it uses less digits than its factorization.

52501221249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921074079.

The product of its (nonzero) digits is 14400, while the sum is 33.

The spelling of 52501221249 in words is "fifty-two billion, five hundred one million, two hundred twenty-one thousand, two hundred forty-nine".