52501820008 has 32 divisors (see below), whose sum is σ = 107409476160. Its totient is φ = 23860154880.

The previous prime is 52501819999. The next prime is 52501820009. The reversal of 52501820008 is 80002810525.

It is a super-2 number, since 2×52501820008² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52501820009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464485 + ... + 566347.

It is an arithmetic number, because the mean of its divisors is an integer number (3356546130).

Almost surely, 2^52501820008 is an apocalyptic number.

It is an amenable number.

52501820008 is an abundant number, since it is smaller than the sum of its proper divisors (54907656152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52501820008 is a wasteful number, since it uses less digits than its factorization.

52501820008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107737 (or 107733 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 31.

The spelling of 52501820008 in words is "fifty-two billion, five hundred one million, eight hundred twenty thousand, eight".