53353218 has 32 divisors (see below), whose sum is σ = 110843712. Its totient is φ = 17107200.

The previous prime is 53353207. The next prime is 53353229. The reversal of 53353218 is 81235335.

It is an interprime number because it is at equal distance from previous prime (53353207) and next prime (53353229).

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 15 ways as a sum of consecutive naturals, for example, 16473 + ... + 19443.

It is an arithmetic number, because the mean of its divisors is an integer number (3463866).

Almost surely, 2^53353218 is an apocalyptic number.

53353218 is an abundant number, since it is smaller than the sum of its proper divisors (57490494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53353218 is a wasteful number, since it uses less digits than its factorization.

53353218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090.

The product of its digits is 10800, while the sum is 30.

The square root of 53353218 is about 7304.3287165899. The cubic root of 53353218 is about 376.4611862092.

The spelling of 53353218 in words is "fifty-three million, three hundred fifty-three thousand, two hundred eighteen".