53280423 has 56 divisors (see below), whose sum is σ = 93490848. Its totient is φ = 29719872.

The previous prime is 53280421. The next prime is 53280449. The reversal of 53280423 is 32408235.

It is not a de Polignac number, because 53280423 - 2¹ = 53280421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

53280423 is a modest number, since divided by 280423 gives 53 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53280421) 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 55 ways as a sum of consecutive naturals, for example, 270361 + ... + 270557.

Almost surely, 2^53280423 is an apocalyptic number.

53280423 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

53280423 is a deficient number, since it is larger than the sum of its proper divisors (40210425).

53280423 is an equidigital number, since it uses as much as digits as its factorization.

53280423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 53280423 is about 7299.3440116219. The cubic root of 53280423 is about 376.2898940418.

Adding to 53280423 its reverse (32408235), we get a palindrome (85688658).

The spelling of 53280423 in words is "fifty-three million, two hundred eighty thousand, four hundred twenty-three".