5580551 has 4 divisors (see below), whose sum is σ = 5716704. Its totient is φ = 5444400.

The previous prime is 5580541. The next prime is 5580563. The reversal of 5580551 is 1550855.

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

It is a cyclic number.

It is not a de Polignac number, because 5580551 - 2¹⁰ = 5579527 is a prime.

It is a super-2 number, since 2×5580551² = 62285098927202, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5580521) 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, 68015 + ... + 68096.

It is an arithmetic number, because the mean of its divisors is an integer number (1429176).

Almost surely, 2^5580551 is an apocalyptic number.

5580551 is a deficient number, since it is larger than the sum of its proper divisors (136153).

5580551 is a wasteful number, since it uses less digits than its factorization.

5580551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136152.

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 5580551 is about 2362.3189877745. The cubic root of 5580551 is about 177.3749804037.

The spelling of 5580551 in words is "five million, five hundred eighty thousand, five hundred fifty-one".