54693361818 has 12 divisors (see below), whose sum is σ = 118502283978. Its totient is φ = 18231120600.

The previous prime is 54693361817. The next prime is 54693361831. The reversal of 54693361818 is 81816339645.

54693361818 is a `hidden beast` number, since 5 + 4 + 6 + 9 + 3 + 3 + 618 + 18 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53943314049 + 750047769 = 232257^2 + 27387^2 .

It is not an unprimeable number, because it can be changed into a prime (54693361813) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1519260033 + ... + 1519260068.

Almost surely, 2^54693361818 is an apocalyptic number.

54693361818 is an abundant number, since it is smaller than the sum of its proper divisors (63808922160).

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

54693361818 is a wasteful number, since it uses less digits than its factorization.

54693361818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038520109 (or 3038520106 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 54693361818 in words is "fifty-four billion, six hundred ninety-three million, three hundred sixty-one thousand, eight hundred eighteen".