53253215 has 8 divisors (see below), whose sum is σ = 64674288. Its totient is φ = 42088960.

The previous prime is 53253191. The next prime is 53253229. The reversal of 53253215 is 51235235.

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

It is not a de Polignac number, because 53253215 - 2¹⁴ = 53236831 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, 63746 + ... + 64575.

It is an arithmetic number, because the mean of its divisors is an integer number (8084286).

Almost surely, 2^53253215 is an apocalyptic number.

53253215 is a deficient number, since it is larger than the sum of its proper divisors (11421073).

53253215 is a wasteful number, since it uses less digits than its factorization.

53253215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128409.

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

The square root of 53253215 is about 7297.4800445085. The cubic root of 53253215 is about 376.2258314958.

The spelling of 53253215 in words is "fifty-three million, two hundred fifty-three thousand, two hundred fifteen".