53823825 has 72 divisors (see below), whose sum is σ = 108847200. Its totient is φ = 26056800.

The previous prime is 53823823. The next prime is 53823829. The reversal of 53823825 is 52832835.

It is not a de Polignac number, because 53823825 - 2¹ = 53823823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53823825.

It is not an unprimeable number, because it can be changed into a prime (53823823) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 81346 + ... + 82004.

Almost surely, 2^53823825 is an apocalyptic number.

53823825 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53823825 is an abundant number, since it is smaller than the sum of its proper divisors (55023375).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53823825 is a wasteful number, since it uses less digits than its factorization.

53823825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700 (or 678 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 53823825 is about 7336.4722448872. The cubic root of 53823825 is about 377.5648178979.

The spelling of 53823825 in words is "fifty-three million, eight hundred twenty-three thousand, eight hundred twenty-five".