54840280 has 64 divisors (see below), whose sum is σ = 140486400. Its totient is φ = 19071360.

The previous prime is 54840259. The next prime is 54840293. The reversal of 54840280 is 8204845.

54840280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7411 + ... + 12829.

It is an arithmetic number, because the mean of its divisors is an integer number (2195100).

Almost surely, 2^54840280 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 54840280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70243200).

54840280 is an abundant number, since it is smaller than the sum of its proper divisors (85646120).

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

54840280 is a wasteful number, since it uses less digits than its factorization.

54840280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5464 (or 5460 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 54840280 is about 7405.4223377198. The cubic root of 54840280 is about 379.9267633561.

The spelling of 54840280 in words is "fifty-four million, eight hundred forty thousand, two hundred eighty".