53400025 has 12 divisors (see below), whose sum is σ = 75675712. Its totient is φ = 36617040.

The previous prime is 53400001. The next prime is 53400059. The reversal of 53400025 is 52000435.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-53400025 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53399975 and 53400011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152397 + ... + 152746.

Almost surely, 2^53400025 is an apocalyptic number.

It is an amenable number.

53400025 is a deficient number, since it is larger than the sum of its proper divisors (22275687).

53400025 is a wasteful number, since it uses less digits than its factorization.

53400025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305160 (or 305155 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 53400025 is about 7307.5320731421. The cubic root of 53400025 is about 376.5712443520.

The spelling of 53400025 in words is "fifty-three million, four hundred thousand, twenty-five".