54678540 has 96 divisors (see below), whose sum is σ = 176085504. Its totient is φ = 12418560.

The previous prime is 54678539. The next prime is 54678551. The reversal of 54678540 is 4587645.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88312 + ... + 88928.

It is an arithmetic number, because the mean of its divisors is an integer number (1834224).

Almost surely, 2^54678540 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 54678540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88042752).

54678540 is an abundant number, since it is smaller than the sum of its proper divisors (121406964).

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

54678540 is a wasteful number, since it uses less digits than its factorization.

54678540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 845 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 54678540 is about 7394.4938974889. The cubic root of 54678540 is about 379.5528905715.

The spelling of 54678540 in words is "fifty-four million, six hundred seventy-eight thousand, five hundred forty".