53725233 has 16 divisors (see below), whose sum is σ = 72715392. Its totient is φ = 35280000.

The previous prime is 53725229. The next prime is 53725241. The reversal of 53725233 is 33252735.

It is not a de Polignac number, because 53725233 - 2² = 53725229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53725233.

It is not an unprimeable number, because it can be changed into a prime (53725213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84828 + ... + 85458.

It is an arithmetic number, because the mean of its divisors is an integer number (4544712).

Almost surely, 2^53725233 is an apocalyptic number.

It is an amenable number.

53725233 is a deficient number, since it is larger than the sum of its proper divisors (18990159).

53725233 is a wasteful number, since it uses less digits than its factorization.

53725233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016.

The product of its digits is 18900, while the sum is 30.

The square root of 53725233 is about 7329.7498593063. The cubic root of 53725233 is about 377.3341417205.

Adding to 53725233 its reverse (33252735), we get a palindrome (86977968).

The spelling of 53725233 in words is "fifty-three million, seven hundred twenty-five thousand, two hundred thirty-three".