54185863 has 8 divisors (see below), whose sum is σ = 55009280. Its totient is φ = 53366040.

The previous prime is 54185837. The next prime is 54185869. The reversal of 54185863 is 36858145.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54185863 is a prime.

It is a super-2 number, since 2×54185863² = 5872215498109538, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54185869) 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, 49306 + ... + 50392.

It is an arithmetic number, because the mean of its divisors is an integer number (6876160).

Almost surely, 2^54185863 is an apocalyptic number.

54185863 is a deficient number, since it is larger than the sum of its proper divisors (823417).

54185863 is a wasteful number, since it uses less digits than its factorization.

54185863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797.

The product of its digits is 115200, while the sum is 40.

The square root of 54185863 is about 7361.1047404585. The cubic root of 54185863 is about 378.4094715457.

The spelling of 54185863 in words is "fifty-four million, one hundred eighty-five thousand, eight hundred sixty-three".