54115280 has 40 divisors (see below), whose sum is σ = 126554400. Its totient is φ = 21519488.

The previous prime is 54115241. The next prime is 54115291. The reversal of 54115280 is 8251145.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12431 + ... + 16209.

It is an arithmetic number, because the mean of its divisors is an integer number (3163860).

Almost surely, 2^54115280 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 54115280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63277200).

54115280 is an abundant number, since it is smaller than the sum of its proper divisors (72439120).

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

54115280 is a wasteful number, since it uses less digits than its factorization.

54115280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971 (or 3965 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 54115280 is about 7356.3088570288. The cubic root of 54115280 is about 378.2450936072.

The spelling of 54115280 in words is "fifty-four million, one hundred fifteen thousand, two hundred eighty".