53310243 has 16 divisors (see below), whose sum is σ = 81509120. Its totient is φ = 30360096.

The previous prime is 53310233. The next prime is 53310247. The reversal of 53310243 is 34201335.

It is not a de Polignac number, because 53310243 - 2¹⁴ = 53293859 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (53310247) 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, 2313 + ... + 10581.

It is an arithmetic number, because the mean of its divisors is an integer number (5094320).

Almost surely, 2^53310243 is an apocalyptic number.

53310243 is a deficient number, since it is larger than the sum of its proper divisors (28198877).

53310243 is a wasteful number, since it uses less digits than its factorization.

53310243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8586.

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

The square root of 53310243 is about 7301.3863752030. The cubic root of 53310243 is about 376.3600816221.

Adding to 53310243 its reverse (34201335), we get a palindrome (87511578).

The spelling of 53310243 in words is "fifty-three million, three hundred ten thousand, two hundred forty-three".