53215255 has 8 divisors (see below), whose sum is σ = 64162224. Its totient is φ = 42369600.

The previous prime is 53215247. The next prime is 53215271. The reversal of 53215255 is 55251235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53215255 - 2³ = 53215247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24166 + ... + 26275.

It is an arithmetic number, because the mean of its divisors is an integer number (8020278).

Almost surely, 2^53215255 is an apocalyptic number.

53215255 is a deficient number, since it is larger than the sum of its proper divisors (10946969).

53215255 is a wasteful number, since it uses less digits than its factorization.

53215255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50657.

The product of its digits is 7500, while the sum is 28.

The square root of 53215255 is about 7294.8786830214. The cubic root of 53215255 is about 376.1364163791.

The spelling of 53215255 in words is "fifty-three million, two hundred fifteen thousand, two hundred fifty-five".