5581072 has 20 divisors (see below), whose sum is σ = 12358336. Its totient is φ = 2391840.

The previous prime is 5581067. The next prime is 5581091. The reversal of 5581072 is 2701855.

It is a super-2 number, since 2×5581072² = 62296729338368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5581072.

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, 24804 + ... + 25027.

Almost surely, 2^5581072 is an apocalyptic number.

It is an amenable number.

5581072 is an abundant number, since it is smaller than the sum of its proper divisors (6777264).

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

5581072 is a wasteful number, since it uses less digits than its factorization.

5581072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49846 (or 49840 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 5581072 is about 2362.4292582001. The cubic root of 5581072 is about 177.3805001388.

The spelling of 5581072 in words is "five million, five hundred eighty-one thousand, seventy-two".