53412331 has 4 divisors (see below), whose sum is σ = 61042672. Its totient is φ = 45781992.

The previous prime is 53412311. The next prime is 53412343. The reversal of 53412331 is 13321435.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53412331 - 2¹⁵ = 53379563 is a prime.

It is a super-3 number, since 3×53412331³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53412311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3815160 + ... + 3815173.

It is an arithmetic number, because the mean of its divisors is an integer number (15260668).

Almost surely, 2^53412331 is an apocalyptic number.

53412331 is a deficient number, since it is larger than the sum of its proper divisors (7630341).

53412331 is an equidigital number, since it uses as much as digits as its factorization.

53412331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7630340.

The product of its digits is 1080, while the sum is 22.

The square root of 53412331 is about 7308.3740325739. The cubic root of 53412331 is about 376.6001689939.

Adding to 53412331 its reverse (13321435), we get a palindrome (66733766).

The spelling of 53412331 in words is "fifty-three million, four hundred twelve thousand, three hundred thirty-one".