5581040 has 20 divisors (see below), whose sum is σ = 12976104. Its totient is φ = 2232384.

The previous prime is 5581027. The next prime is 5581061. The reversal of 5581040 is 401855.

5581040 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×5581040² = 62296014963200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5580997 and 5581015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34802 + ... + 34961.

Almost surely, 2^5581040 is an apocalyptic number.

It is an amenable number.

5581040 is an abundant number, since it is smaller than the sum of its proper divisors (7395064).

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

5581040 is a wasteful number, since it uses less digits than its factorization.

5581040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69776 (or 69770 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 5581040 is about 2362.4224855008. The cubic root of 5581040 is about 177.3801611246.

Adding to 5581040 its reverse (401855), we get a palindrome (5982895).

The spelling of 5581040 in words is "five million, five hundred eighty-one thousand, forty".