52575525 has 18 divisors (see below), whose sum is σ = 94169010. Its totient is φ = 28040160.

The previous prime is 52575517. The next prime is 52575533. The reversal of 52575525 is 52557525.

52575525 is a `hidden beast` number, since 52 + 57 + 552 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (52575517) and next prime (52575533).

It can be written as a sum of positive squares in 3 ways, for example, as 8259876 + 44315649 = 2874^2 + 6657^2 .

It is not a de Polignac number, because 52575525 - 2³ = 52575517 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 52575525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 116610 + ... + 117059.

Almost surely, 2^52575525 is an apocalyptic number.

It is an amenable number.

52575525 is a deficient number, since it is larger than the sum of its proper divisors (41593485).

52575525 is a wasteful number, since it uses less digits than its factorization.

52575525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233685 (or 233677 counting only the distinct ones).

The product of its digits is 87500, while the sum is 36.

The square root of 52575525 is about 7250.8982202207. The cubic root of 52575525 is about 374.6230879598.

The spelling of 52575525 in words is "fifty-two million, five hundred seventy-five thousand, five hundred twenty-five".