54389818 has 32 divisors (see below), whose sum is σ = 99527040. Its totient is φ = 21772800.

The previous prime is 54389809. The next prime is 54389827. The reversal of 54389818 is 81898345.

It is an interprime number because it is at equal distance from previous prime (54389809) and next prime (54389827).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18018 + ... + 20818.

It is an arithmetic number, because the mean of its divisors is an integer number (3110220).

Almost surely, 2^54389818 is an apocalyptic number.

54389818 is a deficient number, since it is larger than the sum of its proper divisors (45137222).

54389818 is a wasteful number, since it uses less digits than its factorization.

54389818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902.

The product of its digits is 276480, while the sum is 46.

The square root of 54389818 is about 7374.9452879327. The cubic root of 54389818 is about 378.8836534846.

The spelling of 54389818 in words is "fifty-four million, three hundred eighty-nine thousand, eight hundred eighteen".