52520052 has 24 divisors (see below), whose sum is σ = 131973856. Its totient is φ = 16159968.

The previous prime is 52520051. The next prime is 52520053. The reversal of 52520052 is 25002525.

It is an interprime number because it is at equal distance from previous prime (52520051) and next prime (52520053).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52520051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168178 + ... + 168489.

Almost surely, 2^52520052 is an apocalyptic number.

52520052 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

52520052 is an abundant number, since it is smaller than the sum of its proper divisors (79453804).

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

52520052 is a wasteful number, since it uses less digits than its factorization.

52520052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336687 (or 336685 counting only the distinct ones).

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

The square root of 52520052 is about 7247.0719604541. The cubic root of 52520052 is about 374.4912853148.

Adding to 52520052 its reverse (25002525), we get a palindrome (77522577).

The spelling of 52520052 in words is "fifty-two million, five hundred twenty thousand, fifty-two".