53253218 has 8 divisors (see below), whose sum is σ = 79936848. Its totient is φ = 26607604.

The previous prime is 53253191. The next prime is 53253229. The reversal of 53253218 is 81235235.

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5696 + ... + 11787.

It is an arithmetic number, because the mean of its divisors is an integer number (9992106).

Almost surely, 2^53253218 is an apocalyptic number.

53253218 is a deficient number, since it is larger than the sum of its proper divisors (26683630).

53253218 is a wasteful number, since it uses less digits than its factorization.

53253218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19008.

The product of its digits is 7200, while the sum is 29.

The square root of 53253218 is about 7297.4802500589. The cubic root of 53253218 is about 376.2258385606.

The spelling of 53253218 in words is "fifty-three million, two hundred fifty-three thousand, two hundred eighteen".