52639421604 has 96 divisors (see below), whose sum is σ = 153173529600. Its totient is φ = 13668946560.

The previous prime is 52639421579. The next prime is 52639421609. The reversal of 52639421604 is 40612493625.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (52639421609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6527727 + ... + 6535785.

It is an arithmetic number, because the mean of its divisors is an integer number (1595557600).

Almost surely, 2^52639421604 is an apocalyptic number.

It is an amenable number.

52639421604 is an abundant number, since it is smaller than the sum of its proper divisors (100534107996).

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

52639421604 is a wasteful number, since it uses less digits than its factorization.

52639421604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15153 (or 15151 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 52639421604 in words is "fifty-two billion, six hundred thirty-nine million, four hundred twenty-one thousand, six hundred four".