5605557 has 4 divisors (see below), whose sum is σ = 7474080. Its totient is φ = 3737036.

The previous prime is 5605553. The next prime is 5605559. The reversal of 5605557 is 7555065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5605557 - 2² = 5605553 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5605553) 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, 934257 + ... + 934262.

It is an arithmetic number, because the mean of its divisors is an integer number (1868520).

Almost surely, 2^5605557 is an apocalyptic number.

It is an amenable number.

5605557 is a deficient number, since it is larger than the sum of its proper divisors (1868523).

5605557 is a wasteful number, since it uses less digits than its factorization.

5605557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1868522.

The product of its (nonzero) digits is 26250, while the sum is 33.

The square root of 5605557 is about 2367.6057526539. The cubic root of 5605557 is about 177.6395200077.

The spelling of 5605557 in words is "five million, six hundred five thousand, five hundred fifty-seven".