54181854 has 24 divisors (see below), whose sum is σ = 118560312. Its totient is φ = 17881200.

The previous prime is 54181823. The next prime is 54181867. The reversal of 54181854 is 45818145.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13084 + ... + 16719.

It is an arithmetic number, because the mean of its divisors is an integer number (4940013).

Almost surely, 2^54181854 is an apocalyptic number.

54181854 is an abundant number, since it is smaller than the sum of its proper divisors (64378458).

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

54181854 is a wasteful number, since it uses less digits than its factorization.

54181854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29912 (or 29909 counting only the distinct ones).

The product of its digits is 25600, while the sum is 36.

The square root of 54181854 is about 7360.8324257519. The cubic root of 54181854 is about 378.4001389702.

Adding to 54181854 its reverse (45818145), we get a palindrome (99999999).

The spelling of 54181854 in words is "fifty-four million, one hundred eighty-one thousand, eight hundred fifty-four".