55080480 has 288 divisors, whose sum is σ = 216929664. Its totient is φ = 11501568.

The previous prime is 55080427. The next prime is 55080481. The reversal of 55080480 is 8408055.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (55080481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 567792 + ... + 567888.

It is an arithmetic number, because the mean of its divisors is an integer number (753228).

Almost surely, 2^55080480 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 55080480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108464832).

55080480 is an abundant number, since it is smaller than the sum of its proper divisors (161849184).

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

55080480 is a wasteful number, since it uses less digits than its factorization.

55080480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 55080480 is about 7421.6224641247. The cubic root of 55080480 is about 380.4806475618.

The spelling of 55080480 in words is "fifty-five million, eighty thousand, four hundred eighty".