54887120 has 20 divisors (see below), whose sum is σ = 127612740. Its totient is φ = 21954816.

The previous prime is 54887113. The next prime is 54887149. The reversal of 54887120 is 2178845.

It can be written as a sum of positive squares in 2 ways, for example, as 37112464 + 17774656 = 6092^2 + 4216^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342965 + ... + 343124.

It is an arithmetic number, because the mean of its divisors is an integer number (6380637).

Almost surely, 2^54887120 is an apocalyptic number.

It is an amenable number.

54887120 is an abundant number, since it is smaller than the sum of its proper divisors (72725620).

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

54887120 is a wasteful number, since it uses less digits than its factorization.

54887120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686102 (or 686096 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 54887120 is about 7408.5842102253. The cubic root of 54887120 is about 380.0348998417.

The spelling of 54887120 in words is "fifty-four million, eight hundred eighty-seven thousand, one hundred twenty".