54553618 has 16 divisors (see below), whose sum is σ = 94573440. Its totient is φ = 23116896.

The previous prime is 54553613. The next prime is 54553633. The reversal of 54553618 is 81635545.

It is not an unprimeable number, because it can be changed into a prime (54553613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20646 + ... + 23137.

It is an arithmetic number, because the mean of its divisors is an integer number (5910840).

Almost surely, 2^54553618 is an apocalyptic number.

54553618 is a deficient number, since it is larger than the sum of its proper divisors (40019822).

54553618 is a wasteful number, since it uses less digits than its factorization.

54553618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43881.

The product of its digits is 72000, while the sum is 37.

The square root of 54553618 is about 7386.0421065683. The cubic root of 54553618 is about 379.2636201020.

The spelling of 54553618 in words is "fifty-four million, five hundred fifty-three thousand, six hundred eighteen".