54318636 has 18 divisors (see below), whose sum is σ = 137305532. Its totient is φ = 18106200.

The previous prime is 54318631. The next prime is 54318647. The reversal of 54318636 is 63681345.

54318636 is a `hidden beast` number, since 5 + 4 + 3 + 18 + 636 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1508851 = 54318636 / (5 + 4 + 3 + 1 + 8 + 6 + 3 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 54318636.

It is not an unprimeable number, because it can be changed into a prime (54318631) 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, 754390 + ... + 754461.

Almost surely, 2^54318636 is an apocalyptic number.

It is an amenable number.

54318636 is an abundant number, since it is smaller than the sum of its proper divisors (82986896).

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

54318636 is a wasteful number, since it uses less digits than its factorization.

54318636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508861 (or 1508856 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 54318636 is about 7370.1177738215. The cubic root of 54318636 is about 378.7182948986.

The spelling of 54318636 in words is "fifty-four million, three hundred eighteen thousand, six hundred thirty-six".