52504523291 has 4 divisors (see below), whose sum is σ = 57277661784. Its totient is φ = 47731384800.

The previous prime is 52504523263. The next prime is 52504523293. The reversal of 52504523291 is 19232540525.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 52504523291 - 2¹⁰ = 52504522267 is a prime.

It is a super-2 number, since 2×52504523291² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52504523293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2386569230 + ... + 2386569251.

It is an arithmetic number, because the mean of its divisors is an integer number (14319415446).

Almost surely, 2^52504523291 is an apocalyptic number.

52504523291 is a deficient number, since it is larger than the sum of its proper divisors (4773138493).

52504523291 is a wasteful number, since it uses less digits than its factorization.

52504523291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773138492.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 52504523291 in words is "fifty-two billion, five hundred four million, five hundred twenty-three thousand, two hundred ninety-one".