5556845 has 24 divisors (see below), whose sum is σ = 7979544. Its totient is φ = 3701376.

The previous prime is 5556821. The next prime is 5556851. The reversal of 5556845 is 5486555.

It can be written as a sum of positive squares in 4 ways, for example, as 188356 + 5368489 = 434^2 + 2317^2 .

It is a de Polignac number, because none of the positive numbers 2^k-5556845 is a prime.

It is a super-3 number, since 3×5556845³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5556799 and 5556808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8759 + ... + 9371.

It is an arithmetic number, because the mean of its divisors is an integer number (332481).

Almost surely, 2^5556845 is an apocalyptic number.

It is an amenable number.

5556845 is a deficient number, since it is larger than the sum of its proper divisors (2422699).

5556845 is a wasteful number, since it uses less digits than its factorization.

5556845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 662 counting only the distinct ones).

The product of its digits is 120000, while the sum is 38.

The square root of 5556845 is about 2357.2961205585. The cubic root of 5556845 is about 177.1234628623.

The spelling of 5556845 in words is "five million, five hundred fifty-six thousand, eight hundred forty-five".