52557525 has 24 divisors (see below), whose sum is σ = 96551360. Its totient is φ = 28030320.

The previous prime is 52557499. The next prime is 52557529. The reversal of 52557525 is 52575525.

52557525 = T₂₀₃₈ + T₂₀₃₉ + ... + T₂₀₆₂.

52557525 is a `hidden beast` number, since 52 + 557 + 52 + 5 = 666.

It is not a de Polignac number, because 52557525 - 2¹² = 52553429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52557525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52557529) 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, 38257 + ... + 39606.

Almost surely, 2^52557525 is an apocalyptic number.

It is an amenable number.

52557525 is a deficient number, since it is larger than the sum of its proper divisors (43993835).

52557525 is a wasteful number, since it uses less digits than its factorization.

52557525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77882 (or 77871 counting only the distinct ones).

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

The square root of 52557525 is about 7249.6568884327. The cubic root of 52557525 is about 374.5803305153.

The spelling of 52557525 in words is "fifty-two million, five hundred fifty-seven thousand, five hundred twenty-five".