52404019164 has 72 divisors (see below), whose sum is σ = 151437057408. Its totient is φ = 14967862560.

The previous prime is 52404019123. The next prime is 52404019189. The reversal of 52404019164 is 46191040425.

52404019164 is a `hidden beast` number, since 5 + 2 + 404 + 0 + 191 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 812379 + ... + 874509.

It is an arithmetic number, because the mean of its divisors is an integer number (2103292464).

Almost surely, 2^52404019164 is an apocalyptic number.

It is an amenable number.

52404019164 is an abundant number, since it is smaller than the sum of its proper divisors (99033038244).

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

52404019164 is a wasteful number, since it uses less digits than its factorization.

52404019164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65495 (or 65490 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 52404019164 its reverse (46191040425), we get a palindrome (98595059589).

The spelling of 52404019164 in words is "fifty-two billion, four hundred four million, nineteen thousand, one hundred sixty-four".