5625559 has 4 divisors (see below), whose sum is σ = 5632416. Its totient is φ = 5618704.

The previous prime is 5625553. The next prime is 5625563. The reversal of 5625559 is 9555265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9555265 = 5 ⋅1911053.

It is a cyclic number.

It is not a de Polignac number, because 5625559 - 2⁹ = 5625047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5625553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1999 + ... + 3904.

It is an arithmetic number, because the mean of its divisors is an integer number (1408104).

Almost surely, 2^5625559 is an apocalyptic number.

5625559 is a deficient number, since it is larger than the sum of its proper divisors (6857).

5625559 is an equidigital number, since it uses as much as digits as its factorization.

5625559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6856.

The product of its digits is 67500, while the sum is 37.

The square root of 5625559 is about 2371.8260897460. The cubic root of 5625559 is about 177.8505562986.

The spelling of 5625559 in words is "five million, six hundred twenty-five thousand, five hundred fifty-nine".