53311825 has 24 divisors (see below), whose sum is σ = 75852288. Its totient is φ = 36410880.

The previous prime is 53311781. The next prime is 53311829. The reversal of 53311825 is 52811335.

It is a de Polignac number, because none of the positive numbers 2^k-53311825 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53311793 and 53311802.

It is not an unprimeable number, because it can be changed into a prime (53311829) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61344 + ... + 62206.

It is an arithmetic number, because the mean of its divisors is an integer number (3160512).

Almost surely, 2^53311825 is an apocalyptic number.

It is an amenable number.

53311825 is a deficient number, since it is larger than the sum of its proper divisors (22540463).

53311825 is a wasteful number, since it uses less digits than its factorization.

53311825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 1228 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 53311825 is about 7301.4947099892. The cubic root of 53311825 is about 376.3638044574.

The spelling of 53311825 in words is "fifty-three million, three hundred eleven thousand, eight hundred twenty-five".