53412303 has 16 divisors (see below), whose sum is σ = 83052800. Its totient is φ = 30520728.

The previous prime is 53412277. The next prime is 53412311. The reversal of 53412303 is 30321435.

It is not a de Polignac number, because 53412303 - 2¹³ = 53404111 is a prime.

It is a super-2 number, since 2×53412303² = 5705748223527618, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53412303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53412343) 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, 24925 + ... + 26982.

It is an arithmetic number, because the mean of its divisors is an integer number (5190800).

Almost surely, 2^53412303 is an apocalyptic number.

53412303 is a deficient number, since it is larger than the sum of its proper divisors (29640497).

53412303 is an equidigital number, since it uses as much as digits as its factorization.

53412303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51931 (or 51917 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 53412303 is about 7308.3721169628. The cubic root of 53412303 is about 376.6001031863.

Adding to 53412303 its reverse (30321435), we get a palindrome (83733738).

The spelling of 53412303 in words is "fifty-three million, four hundred twelve thousand, three hundred three".