53007218 has 32 divisors (see below), whose sum is σ = 89622720. Its totient is φ = 23304960.

The previous prime is 53007161. The next prime is 53007223. The reversal of 53007218 is 81270035.

53007218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129398 + ... + 129806.

It is an arithmetic number, because the mean of its divisors is an integer number (2800710).

Almost surely, 2^53007218 is an apocalyptic number.

53007218 is a deficient number, since it is larger than the sum of its proper divisors (36615502).

53007218 is a wasteful number, since it uses less digits than its factorization.

53007218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 53007218 is about 7280.6056066786. The cubic root of 53007218 is about 375.6456267679.

The spelling of 53007218 in words is "fifty-three million, seven thousand, two hundred eighteen".