52213025304 has 128 divisors (see below), whose sum is σ = 161588044800. Its totient is φ = 15485454720.

The previous prime is 52213025279. The next prime is 52213025353. The reversal of 52213025304 is 40352031225.

It is a happy number.

52213025304 is a `hidden beast` number, since 52 + 2 + 1 + 302 + 5 + 304 = 666.

It is a super-2 number, since 2×52213025304² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122107 + ... + 345450.

It is an arithmetic number, because the mean of its divisors is an integer number (1262406600).

Almost surely, 2^52213025304 is an apocalyptic number.

52213025304 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

52213025304 is an abundant number, since it is smaller than the sum of its proper divisors (109375019496).

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

52213025304 is a wasteful number, since it uses less digits than its factorization.

52213025304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467630 (or 467620 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 52213025304 its reverse (40352031225), we get a palindrome (92565056529).

The spelling of 52213025304 in words is "fifty-two billion, two hundred thirteen million, twenty-five thousand, three hundred four".