53609025 has 12 divisors (see below), whose sum is σ = 88633712. Its totient is φ = 28591440.

The previous prime is 53609011. The next prime is 53609027. The reversal of 53609025 is 52090635.

It is not a de Polignac number, because 53609025 - 2⁴ = 53609009 is a prime.

It is a super-2 number, since 2×53609025² = 5747855122901250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53608983 and 53609001.

It is not an unprimeable number, because it can be changed into a prime (53609027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 357319 + ... + 357468.

Almost surely, 2^53609025 is an apocalyptic number.

It is an amenable number.

53609025 is a deficient number, since it is larger than the sum of its proper divisors (35024687).

53609025 is a wasteful number, since it uses less digits than its factorization.

53609025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714800 (or 714795 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 53609025 is about 7321.8184216764. The cubic root of 53609025 is about 377.0618866618.

The spelling of 53609025 in words is "fifty-three million, six hundred nine thousand, twenty-five".