53104431 has 16 divisors (see below), whose sum is σ = 72334080. Its totient is φ = 34647360.

The previous prime is 53104417. The next prime is 53104453. The reversal of 53104431 is 13440135.

It is not a de Polignac number, because 53104431 - 2¹⁷ = 52973359 is a prime.

It is a super-2 number, since 2×53104431² = 5640161183667522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53104398 and 53104407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53104231) 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, 26536 + ... + 28466.

It is an arithmetic number, because the mean of its divisors is an integer number (4520880).

Almost surely, 2^53104431 is an apocalyptic number.

53104431 is a deficient number, since it is larger than the sum of its proper divisors (19229649).

53104431 is a wasteful number, since it uses less digits than its factorization.

53104431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 53104431 is about 7287.2787101908. The cubic root of 53104431 is about 375.8751259347.

Adding to 53104431 its reverse (13440135), we get a palindrome (66544566).

It can be divided in two parts, 53104 and 431, that added together give a palindrome (53535).

The spelling of 53104431 in words is "fifty-three million, one hundred four thousand, four hundred thirty-one".