52513475890 has 8 divisors (see below), whose sum is σ = 94524256620. Its totient is φ = 21005390352.

The previous prime is 52513475827. The next prime is 52513475909. The reversal of 52513475890 is 9857431525.

It can be written as a sum of positive squares in 2 ways, for example, as 48968821521 + 3544654369 = 221289^2 + 59537^2 .

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

It is a super-2 number, since 2×52513475890² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2625673785 + ... + 2625673804.

Almost surely, 2^52513475890 is an apocalyptic number.

52513475890 is a deficient number, since it is larger than the sum of its proper divisors (42010780730).

52513475890 is a wasteful number, since it uses less digits than its factorization.

52513475890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251347596.

The product of its (nonzero) digits is 1512000, while the sum is 49.

The spelling of 52513475890 in words is "fifty-two billion, five hundred thirteen million, four hundred seventy-five thousand, eight hundred ninety".