53033231 has 8 divisors (see below), whose sum is σ = 54645840. Its totient is φ = 51443392.

The previous prime is 53033207. The next prime is 53033261. The reversal of 53033231 is 13233035.

53033231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53033231 is a prime.

It is a super-2 number, since 2×53033231² = 5625047180598722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53033261) 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 7 ways as a sum of consecutive naturals, for example, 905 + ... + 10338.

It is an arithmetic number, because the mean of its divisors is an integer number (6830730).

Almost surely, 2^53033231 is an apocalyptic number.

53033231 is a deficient number, since it is larger than the sum of its proper divisors (1612609).

53033231 is a wasteful number, since it uses less digits than its factorization.

53033231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11385.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 53033231 is about 7282.3918460901. The cubic root of 53033231 is about 375.7070653923.

Adding to 53033231 its reverse (13233035), we get a palindrome (66266266).

The spelling of 53033231 in words is "fifty-three million, thirty-three thousand, two hundred thirty-one".