54888480 has 144 divisors (see below), whose sum is σ = 191528064. Its totient is φ = 14307840.

The previous prime is 54888469. The next prime is 54888487. The reversal of 54888480 is 8488845.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (54888487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67275 + ... + 68085.

It is an arithmetic number, because the mean of its divisors is an integer number (1330056).

Almost surely, 2^54888480 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 54888480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95764032).

54888480 is an abundant number, since it is smaller than the sum of its proper divisors (136639584).

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

54888480 is a wasteful number, since it uses less digits than its factorization.

54888480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 879 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 45.

The square root of 54888480 is about 7408.6759950750. The cubic root of 54888480 is about 380.0380386667.

The spelling of 54888480 in words is "fifty-four million, eight hundred eighty-eight thousand, four hundred eighty".