54189856 has 24 divisors (see below), whose sum is σ = 121927680. Its totient is φ = 23224128.

The previous prime is 54189809. The next prime is 54189869. The reversal of 54189856 is 65898145.

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 3 ways as a sum of consecutive naturals, for example, 120736 + ... + 121183.

It is an arithmetic number, because the mean of its divisors is an integer number (5080320).

Almost surely, 2^54189856 is an apocalyptic number.

54189856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

54189856 is an abundant number, since it is smaller than the sum of its proper divisors (67737824).

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

54189856 is a wasteful number, since it uses less digits than its factorization.

54189856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241936 (or 241928 counting only the distinct ones).

The product of its digits is 345600, while the sum is 46.

The square root of 54189856 is about 7361.3759583382. The cubic root of 54189856 is about 378.4187664173.

The spelling of 54189856 in words is "fifty-four million, one hundred eighty-nine thousand, eight hundred fifty-six".