55483680 has 192 divisors, whose sum is σ = 204422400. Its totient is φ = 12644352.

The previous prime is 55483663. The next prime is 55483691. The reversal of 55483680 is 8638455.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 164472 + ... + 164808.

It is an arithmetic number, because the mean of its divisors is an integer number (1064700).

Almost surely, 2^55483680 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 55483680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102211200).

55483680 is an abundant number, since it is smaller than the sum of its proper divisors (148938720).

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

55483680 is a wasteful number, since it uses less digits than its factorization.

55483680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 55483680 is about 7448.7368056604. The cubic root of 55483680 is about 381.4067892247.

The spelling of 55483680 in words is "fifty-five million, four hundred eighty-three thousand, six hundred eighty".