5581980 has 48 divisors (see below), whose sum is σ = 17367840. Its totient is φ = 1488384.

The previous prime is 5581973. The next prime is 5582009. The reversal of 5581980 is 891855.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4629 + ... + 5708.

It is an arithmetic number, because the mean of its divisors is an integer number (361830).

Almost surely, 2^5581980 is an apocalyptic number.

It is an amenable number.

5581980 is an abundant number, since it is smaller than the sum of its proper divisors (11785860).

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

5581980 is a wasteful number, since it uses less digits than its factorization.

5581980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10355 (or 10347 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The square root of 5581980 is about 2362.6214254510. The cubic root of 5581980 is about 177.3901191248.

It can be divided in two parts, 5581 and 980, that added together give a 8-th power (6561 = 3⁸).

The spelling of 5581980 in words is "five million, five hundred eighty-one thousand, nine hundred eighty".