54878472 has 80 divisors (see below), whose sum is σ = 167706000. Its totient is φ = 16627680.

The previous prime is 54878443. The next prime is 54878477. The reversal of 54878472 is 27487845.

It is not an unprimeable number, because it can be changed into a prime (54878477) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3279 + ... + 10977.

It is an arithmetic number, because the mean of its divisors is an integer number (2096325).

Almost surely, 2^54878472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54878472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83853000).

54878472 is an abundant number, since it is smaller than the sum of its proper divisors (112827528).

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

54878472 is a wasteful number, since it uses less digits than its factorization.

54878472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7728 (or 7715 counting only the distinct ones).

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

The square root of 54878472 is about 7408.0005399568. Note that the first 3 decimals coincide. The cubic root of 54878472 is about 380.0149393942.

The spelling of 54878472 in words is "fifty-four million, eight hundred seventy-eight thousand, four hundred seventy-two".