5005557 has 12 divisors (see below), whose sum is σ = 7498400. Its totient is φ = 3336876.

The previous prime is 5005549. The next prime is 5005613. The reversal of 5005557 is 7555005.

It is not a de Polignac number, because 5005557 - 2³ = 5005549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5005557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5005057) 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 11 ways as a sum of consecutive naturals, for example, 10057 + ... + 10542.

Almost surely, 2^5005557 is an apocalyptic number.

It is an amenable number.

5005557 is a deficient number, since it is larger than the sum of its proper divisors (2492843).

5005557 is an equidigital number, since it uses as much as digits as its factorization.

5005557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20614 (or 20602 counting only the distinct ones).

The product of its (nonzero) digits is 4375, while the sum is 27.

The square root of 5005557 is about 2237.3102154149. The cubic root of 5005557 is about 171.0609201224.

The spelling of 5005557 in words is "five million, five thousand, five hundred fifty-seven".