53542618 has 16 divisors (see below), whose sum is σ = 81920160. Its totient is φ = 26238736.

The previous prime is 53542607. The next prime is 53542631. The reversal of 53542618 is 81624535.

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, 68880 + ... + 69652.

It is an arithmetic number, because the mean of its divisors is an integer number (5120010).

Almost surely, 2^53542618 is an apocalyptic number.

53542618 is a deficient number, since it is larger than the sum of its proper divisors (28377542).

53542618 is a wasteful number, since it uses less digits than its factorization.

53542618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421.

The product of its digits is 28800, while the sum is 34.

The square root of 53542618 is about 7317.2821457150. The cubic root of 53542618 is about 376.9061299592.

The spelling of 53542618 in words is "fifty-three million, five hundred forty-two thousand, six hundred eighteen".