53215253 has 32 divisors (see below), whose sum is σ = 71124480. Its totient is φ = 38615040.

The previous prime is 53215247. The next prime is 53215271. The reversal of 53215253 is 35251235.

It is a cyclic number.

It is not a de Polignac number, because 53215253 - 2¹² = 53211157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53215153) 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, 63008 + ... + 63846.

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

Almost surely, 2^53215253 is an apocalyptic number.

It is an amenable number.

53215253 is a deficient number, since it is larger than the sum of its proper divisors (17909227).

53215253 is a wasteful number, since it uses less digits than its factorization.

53215253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917.

The product of its digits is 4500, while the sum is 26.

The square root of 53215253 is about 7294.8785459389. The cubic root of 53215253 is about 376.1364116669.

Adding to 53215253 its reverse (35251235), we get a palindrome (88466488).

The spelling of 53215253 in words is "fifty-three million, two hundred fifteen thousand, two hundred fifty-three".