54091854 has 32 divisors (see below), whose sum is σ = 123457440. Its totient is φ = 17542656.

The previous prime is 54091823. The next prime is 54091867. The reversal of 54091854 is 45819045.

It is a congruent number.

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, 11539 + ... + 15534.

It is an arithmetic number, because the mean of its divisors is an integer number (3858045).

Almost surely, 2^54091854 is an apocalyptic number.

54091854 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

54091854 is an abundant number, since it is smaller than the sum of its proper divisors (69365586).

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

54091854 is a wasteful number, since it uses less digits than its factorization.

54091854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27121 (or 27115 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 54091854 is about 7354.7164459277. The cubic root of 54091854 is about 378.1905061385.

It can be divided in two parts, 54091 and 854, that added together give a palindrome (54945).

The spelling of 54091854 in words is "fifty-four million, ninety-one thousand, eight hundred fifty-four".