54163880 has 64 divisors (see below), whose sum is σ = 128595600. Its totient is φ = 20500480.

The previous prime is 54163877. The next prime is 54163897. The reversal of 54163880 is 8836145.

It can be written as a sum of positive squares in 8 ways, for example, as 20593444 + 33570436 = 4538^2 + 5794^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 54163880.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61040 + ... + 61920.

Almost surely, 2^54163880 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 54163880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64297800).

54163880 is an abundant number, since it is smaller than the sum of its proper divisors (74431720).

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

54163880 is a wasteful number, since it uses less digits than its factorization.

54163880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 54163880 is about 7359.6114027848. The cubic root of 54163880 is about 378.3582915261.

The spelling of 54163880 in words is "fifty-four million, one hundred sixty-three thousand, eight hundred eighty".