53204431 has 4 divisors (see below), whose sum is σ = 60805072. Its totient is φ = 45603792.

The previous prime is 53204413. The next prime is 53204443. The reversal of 53204431 is 13440235.

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 53204431 - 2⁷ = 53204303 is a prime.

It is a super-2 number, since 2×53204431² = 5661422956067522, 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 (53204461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3800310 + ... + 3800323.

It is an arithmetic number, because the mean of its divisors is an integer number (15201268).

Almost surely, 2^53204431 is an apocalyptic number.

53204431 is a deficient number, since it is larger than the sum of its proper divisors (7600641).

53204431 is an equidigital number, since it uses as much as digits as its factorization.

53204431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7600640.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 53204431 is about 7294.1367549560. The cubic root of 53204431 is about 376.1109125604.

Adding to 53204431 its reverse (13440235), we get a palindrome (66644666).

It can be divided in two parts, 53204 and 431, that added together give a palindrome (53635).

The spelling of 53204431 in words is "fifty-three million, two hundred four thousand, four hundred thirty-one".