53329825 has 12 divisors (see below), whose sum is σ = 66388608. Its totient is φ = 42496400.

The previous prime is 53329823. The next prime is 53329831. The reversal of 53329825 is 52892335.

It is not a de Polignac number, because 53329825 - 2¹ = 53329823 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53329823) 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, 2520 + ... + 10630.

It is an arithmetic number, because the mean of its divisors is an integer number (5532384).

Almost surely, 2^53329825 is an apocalyptic number.

It is an amenable number.

53329825 is a deficient number, since it is larger than the sum of its proper divisors (13058783).

53329825 is a wasteful number, since it uses less digits than its factorization.

53329825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8384 (or 8379 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 53329825 is about 7302.7272302887. The cubic root of 53329825 is about 376.4061577013.

The spelling of 53329825 in words is "fifty-three million, three hundred twenty-nine thousand, eight hundred twenty-five".