5581126 has 4 divisors (see below), whose sum is σ = 8371692. Its totient is φ = 2790562.

The previous prime is 5581091. The next prime is 5581129. The reversal of 5581126 is 6211855.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×5581126² = 62297934855752, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5581094 and 5581103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5581129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395280 + ... + 1395283.

It is an arithmetic number, because the mean of its divisors is an integer number (2092923).

Almost surely, 2^5581126 is an apocalyptic number.

5581126 is a deficient number, since it is larger than the sum of its proper divisors (2790566).

5581126 is a wasteful number, since it uses less digits than its factorization.

5581126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790565.

The product of its digits is 2400, while the sum is 28.

The square root of 5581126 is about 2362.4406870861. The cubic root of 5581126 is about 177.3810722222.

The spelling of 5581126 in words is "five million, five hundred eighty-one thousand, one hundred twenty-six".