5581390 has 8 divisors (see below), whose sum is σ = 10046520. Its totient is φ = 2232552.

The previous prime is 5581379. The next prime is 5581393. The reversal of 5581390 is 931855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5581393) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 279060 + ... + 279079.

It is an arithmetic number, because the mean of its divisors is an integer number (1255815).

Almost surely, 2^5581390 is an apocalyptic number.

5581390 is a deficient number, since it is larger than the sum of its proper divisors (4465130).

5581390 is a wasteful number, since it uses less digits than its factorization.

5581390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558146.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 5581390 is about 2362.4965608441. The cubic root of 5581390 is about 177.3838690213.

The spelling of 5581390 in words is "five million, five hundred eighty-one thousand, three hundred ninety".