53425525 has 6 divisors (see below), whose sum is σ = 66247682. Its totient is φ = 42740400.

The previous prime is 53425517. The next prime is 53425529. The reversal of 53425525 is 52552435.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 17497489 + 35928036 = 4183^2 + 5994^2 .

It is not a de Polignac number, because 53425525 - 2³ = 53425517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53425529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1068486 + ... + 1068535.

Almost surely, 2^53425525 is an apocalyptic number.

It is an amenable number.

53425525 is a deficient number, since it is larger than the sum of its proper divisors (12822157).

53425525 is a wasteful number, since it uses less digits than its factorization.

53425525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137031 (or 2137026 counting only the distinct ones).

The product of its digits is 30000, while the sum is 31.

The square root of 53425525 is about 7309.2766399966. The cubic root of 53425525 is about 376.6311759009.

The spelling of 53425525 in words is "fifty-three million, four hundred twenty-five thousand, five hundred twenty-five".