52545525 has 24 divisors (see below), whose sum is σ = 88521120. Its totient is φ = 27493440.

The previous prime is 52545523. The next prime is 52545539. The reversal of 52545525 is 52554525.

It is not a de Polignac number, because 52545525 - 2¹ = 52545523 is a prime.

It is a super-2 number, since 2×52545525² = 5522064395051250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52545523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2635 + ... + 10584.

It is an arithmetic number, because the mean of its divisors is an integer number (3688380).

Almost surely, 2^52545525 is an apocalyptic number.

It is an amenable number.

52545525 is a deficient number, since it is larger than the sum of its proper divisors (35975595).

52545525 is a wasteful number, since it uses less digits than its factorization.

52545525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13285 (or 13280 counting only the distinct ones).

The product of its digits is 50000, while the sum is 33.

The square root of 52545525 is about 7248.8292158113. The cubic root of 52545525 is about 374.5518201284.

The spelling of 52545525 in words is "fifty-two million, five hundred forty-five thousand, five hundred twenty-five".