52520000052 has 48 divisors (see below), whose sum is σ = 132187470912. Its totient is φ = 16133779200.

The previous prime is 52520000021. The next prime is 52520000069. The reversal of 52520000052 is 25000002525.

It is a junction number, because it is equal to n+sod(n) for n = 52519999983 and 52520000028.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176574 + ... + 369077.

It is an arithmetic number, because the mean of its divisors is an integer number (2753905644).

Almost surely, 2^52520000052 is an apocalyptic number.

52520000052 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52520000052 is an abundant number, since it is smaller than the sum of its proper divisors (79667470860).

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

52520000052 is a wasteful number, since it uses less digits than its factorization.

52520000052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546288 (or 546286 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 21.

Adding to 52520000052 its reverse (25000002525), we get a palindrome (77520002577).

The spelling of 52520000052 in words is "fifty-two billion, five hundred twenty million, fifty-two", and thus it is an aban number.