52239894249 has 32 divisors (see below), whose sum is σ = 73133636608. Its totient is φ = 33125760000.

The previous prime is 52239894229. The next prime is 52239894253. The reversal of 52239894249 is 94249893225.

It is not a de Polignac number, because 52239894249 - 2⁷ = 52239894121 is a prime.

It is a super-3 number, since 3×52239894249³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (52239894229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10214517 + ... + 10219629.

It is an arithmetic number, because the mean of its divisors is an integer number (2285426144).

Almost surely, 2^52239894249 is an apocalyptic number.

It is an amenable number.

52239894249 is a deficient number, since it is larger than the sum of its proper divisors (20893742359).

52239894249 is a wasteful number, since it uses less digits than its factorization.

52239894249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7009.

The product of its digits is 11197440, while the sum is 57.

The spelling of 52239894249 in words is "fifty-two billion, two hundred thirty-nine million, eight hundred ninety-four thousand, two hundred forty-nine".