53863825 has 6 divisors (see below), whose sum is σ = 66791174. Its totient is φ = 43091040.

The previous prime is 53863819. The next prime is 53863867. The reversal of 53863825 is 52836835.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 690561 + 53173264 = 831^2 + 7292^2 .

It is not a de Polignac number, because 53863825 - 2¹⁷ = 53732753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1077252 + ... + 1077301.

Almost surely, 2^53863825 is an apocalyptic number.

It is an amenable number.

53863825 is a deficient number, since it is larger than the sum of its proper divisors (12927349).

53863825 is a wasteful number, since it uses less digits than its factorization.

53863825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154563 (or 2154558 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 53863825 is about 7339.1978444514. The cubic root of 53863825 is about 377.6583257637.

The spelling of 53863825 in words is "fifty-three million, eight hundred sixty-three thousand, eight hundred twenty-five".