53130431 has 4 divisors (see below), whose sum is σ = 53189664. Its totient is φ = 53071200.

The previous prime is 53130421. The next prime is 53130443. The reversal of 53130431 is 13403135.

It is a happy number.

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 53130431 - 2¹⁰ = 53129407 is a prime.

It is a super-2 number, since 2×53130431² = 5645685396491522, 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 (53130401) 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, 28250 + ... + 30071.

It is an arithmetic number, because the mean of its divisors is an integer number (13297416).

Almost surely, 2^53130431 is an apocalyptic number.

53130431 is a deficient number, since it is larger than the sum of its proper divisors (59233).

53130431 is an equidigital number, since it uses as much as digits as its factorization.

53130431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59232.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 53130431 is about 7289.0624225616. The cubic root of 53130431 is about 375.9364589133.

Adding to 53130431 its reverse (13403135), we get a palindrome (66533566).

The spelling of 53130431 in words is "fifty-three million, one hundred thirty thousand, four hundred thirty-one".