5091556 has 12 divisors (see below), whose sum is σ = 9297792. Its totient is φ = 2435048.

The previous prime is 5091553. The next prime is 5091589. The reversal of 5091556 is 6551905.

It is a happy number.

It is a super-2 number, since 2×5091556² = 51847885002272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5091553) 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, 27580 + ... + 27763.

It is an arithmetic number, because the mean of its divisors is an integer number (774816).

Almost surely, 2^5091556 is an apocalyptic number.

It is an amenable number.

5091556 is a deficient number, since it is larger than the sum of its proper divisors (4206236).

5091556 is a wasteful number, since it uses less digits than its factorization.

5091556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55370 (or 55368 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 5091556 is about 2256.4476506225. The cubic root of 5091556 is about 172.0350118018.

The spelling of 5091556 in words is "five million, ninety-one thousand, five hundred fifty-six".