52087403688 has 32 divisors (see below), whose sum is σ = 130238253600. Its totient is φ = 17359835328.

The previous prime is 52087403659. The next prime is 52087403689. The reversal of 52087403688 is 88630478025.

It is a happy number.

It is a super-3 number, since 3×52087403688³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52087403688.

It is not an unprimeable number, because it can be changed into a prime (52087403689) 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, 423 + ... + 322761.

It is an arithmetic number, because the mean of its divisors is an integer number (4069945425).

Almost surely, 2^52087403688 is an apocalyptic number.

It is an amenable number.

52087403688 is an abundant number, since it is smaller than the sum of its proper divisors (78150849912).

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

52087403688 is a wasteful number, since it uses less digits than its factorization.

52087403688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329081 (or 329077 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 52087403688 in words is "fifty-two billion, eighty-seven million, four hundred three thousand, six hundred eighty-eight".