53243255 has 32 divisors (see below), whose sum is σ = 71124480. Its totient is φ = 38021760.

The previous prime is 53243251. The next prime is 53243279. The reversal of 53243255 is 55234235.

It is not a de Polignac number, because 53243255 - 2² = 53243251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53243251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 382976 + ... + 383114.

It is an arithmetic number, because the mean of its divisors is an integer number (2222640).

Almost surely, 2^53243255 is an apocalyptic number.

53243255 is a deficient number, since it is larger than the sum of its proper divisors (17881225).

53243255 is a wasteful number, since it uses less digits than its factorization.

53243255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311.

The product of its digits is 18000, while the sum is 29.

The square root of 53243255 is about 7296.7975852424. The cubic root of 53243255 is about 376.2023747403.

The spelling of 53243255 in words is "fifty-three million, two hundred forty-three thousand, two hundred fifty-five".