55582580 has 12 divisors (see below), whose sum is σ = 116723460. Its totient is φ = 22233024.

The previous prime is 55582577. The next prime is 55582601. The reversal of 55582580 is 8528555.

55582580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6330256 + 49252324 = 2516^2 + 7018^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1389545 + ... + 1389584.

It is an arithmetic number, because the mean of its divisors is an integer number (9726955).

Almost surely, 2^55582580 is an apocalyptic number.

It is an amenable number.

55582580 is an abundant number, since it is smaller than the sum of its proper divisors (61140880).

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

55582580 is a wasteful number, since it uses less digits than its factorization.

55582580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2779138 (or 2779136 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 38.

The square root of 55582580 is about 7455.3725594366. The cubic root of 55582580 is about 381.6332746880.

The spelling of 55582580 in words is "fifty-five million, five hundred eighty-two thousand, five hundred eighty".