53172833 has 16 divisors (see below), whose sum is σ = 62246016. Its totient is φ = 44478720.

The previous prime is 53172829. The next prime is 53172841. The reversal of 53172833 is 33827135.

53172833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 53172833 - 2² = 53172829 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 53172833.

It is not an unprimeable number, because it can be changed into a prime (53172853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122585 + ... + 123017.

It is an arithmetic number, because the mean of its divisors is an integer number (3890376).

Almost surely, 2^53172833 is an apocalyptic number.

53172833 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

53172833 is a deficient number, since it is larger than the sum of its proper divisors (9073183).

53172833 is a wasteful number, since it uses less digits than its factorization.

53172833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824.

The product of its digits is 15120, while the sum is 32.

The square root of 53172833 is about 7291.9704470054. The cubic root of 53172833 is about 376.0364406548.

Adding to 53172833 its reverse (33827135), we get a palindrome (86999968).

The spelling of 53172833 in words is "fifty-three million, one hundred seventy-two thousand, eight hundred thirty-three".