53040218 has 16 divisors (see below), whose sum is σ = 99192384. Its totient is φ = 20664960.

The previous prime is 53040209. The next prime is 53040223. The reversal of 53040218 is 81204035.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 53040193 and 53040202.

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, 172055 + ... + 172362.

It is an arithmetic number, because the mean of its divisors is an integer number (6199524).

Almost surely, 2^53040218 is an apocalyptic number.

53040218 is a deficient number, since it is larger than the sum of its proper divisors (46152166).

53040218 is a wasteful number, since it uses less digits than its factorization.

53040218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344437.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 53040218 is about 7282.8715490526. The cubic root of 53040218 is about 375.7235641670.

The spelling of 53040218 in words is "fifty-three million, forty thousand, two hundred eighteen".