54287478 has 96 divisors (see below), whose sum is σ = 141523200. Its totient is φ = 14712768.

The previous prime is 54287461. The next prime is 54287501. The reversal of 54287478 is 87478245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 303193 + ... + 303371.

It is an arithmetic number, because the mean of its divisors is an integer number (1474200).

Almost surely, 2^54287478 is an apocalyptic number.

54287478 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 54287478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70761600).

54287478 is an abundant number, since it is smaller than the sum of its proper divisors (87235722).

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

54287478 is a wasteful number, since it uses less digits than its factorization.

54287478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 303 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 54287478 is about 7368.0036644942. The cubic root of 54287478 is about 378.6458681806.

The spelling of 54287478 in words is "fifty-four million, two hundred eighty-seven thousand, four hundred seventy-eight".