53421825 has 24 divisors (see below), whose sum is σ = 92975200. Its totient is φ = 26991360.

The previous prime is 53421763. The next prime is 53421833. The reversal of 53421825 is 52812435.

It is not a de Polignac number, because 53421825 - 2⁶ = 53421761 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53421792 and 53421801.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17320 + ... + 20169.

Almost surely, 2^53421825 is an apocalyptic number.

It is an amenable number.

53421825 is a deficient number, since it is larger than the sum of its proper divisors (39553375).

53421825 is a wasteful number, since it uses less digits than its factorization.

53421825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37521 (or 37516 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 53421825 is about 7309.0235325931. The cubic root of 53421825 is about 376.6224811336.

The spelling of 53421825 in words is "fifty-three million, four hundred twenty-one thousand, eight hundred twenty-five".