52518719236 has 12 divisors (see below), whose sum is σ = 91919871820. Its totient is φ = 26255898720.

The previous prime is 52518719233. The next prime is 52518719249. The reversal of 52518719236 is 63291781525.

It can be written as a sum of positive squares in 2 ways, for example, as 47265368836 + 5253350400 = 217406^2 + 72480^2 .

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 52518719236.

It is not an unprimeable number, because it can be changed into a prime (52518719233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 830931 + ... + 891898.

Almost surely, 2^52518719236 is an apocalyptic number.

It is an amenable number.

52518719236 is a deficient number, since it is larger than the sum of its proper divisors (39401152584).

52518719236 is a wasteful number, since it uses less digits than its factorization.

52518719236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730454 (or 1730452 counting only the distinct ones).

The product of its digits is 907200, while the sum is 49.

The spelling of 52518719236 in words is "fifty-two billion, five hundred eighteen million, seven hundred nineteen thousand, two hundred thirty-six".