5551856 has 20 divisors (see below), whose sum is σ = 10961352. Its totient is φ = 2723136.

The previous prime is 5551853. The next prime is 5551867. The reversal of 5551856 is 6581555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551853) 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, 2426 + ... + 4121.

Almost surely, 2^5551856 is an apocalyptic number.

It is an amenable number.

5551856 is a deficient number, since it is larger than the sum of its proper divisors (5409496).

5551856 is a wasteful number, since it uses less digits than its factorization.

5551856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6608 (or 6602 counting only the distinct ones).

The product of its digits is 30000, while the sum is 35.

The square root of 5551856 is about 2356.2376790129. The cubic root of 5551856 is about 177.0704391565.

The spelling of 5551856 in words is "five million, five hundred fifty-one thousand, eight hundred fifty-six".