53428218 has 16 divisors (see below), whose sum is σ = 111502656. Its totient is φ = 17035040.

The previous prime is 53428201. The next prime is 53428223. The reversal of 53428218 is 81282435.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193443 + ... + 193718.

It is an arithmetic number, because the mean of its divisors is an integer number (6968916).

Almost surely, 2^53428218 is an apocalyptic number.

53428218 is an abundant number, since it is smaller than the sum of its proper divisors (58074438).

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

53428218 is a wasteful number, since it uses less digits than its factorization.

53428218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387189.

The product of its digits is 15360, while the sum is 33.

The square root of 53428218 is about 7309.4608556309. The cubic root of 53428218 is about 376.6375040291.

The spelling of 53428218 in words is "fifty-three million, four hundred twenty-eight thousand, two hundred eighteen".