52309015538 has 72 divisors (see below), whose sum is σ = 92966713524. Its totient is φ = 21987164160.

The previous prime is 52309015513. The next prime is 52309015543. The reversal of 52309015538 is 83551090325.

It can be written as a sum of positive squares in 6 ways, for example, as 29675919289 + 22633096249 = 172267^2 + 150443^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 52309015495 and 52309015504.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5517170 + ... + 5526642.

Almost surely, 2^52309015538 is an apocalyptic number.

52309015538 is a deficient number, since it is larger than the sum of its proper divisors (40657697986).

52309015538 is a wasteful number, since it uses less digits than its factorization.

52309015538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9580 (or 9536 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 52309015538 in words is "fifty-two billion, three hundred nine million, fifteen thousand, five hundred thirty-eight".