5551869 has 16 divisors (see below), whose sum is σ = 7608384. Its totient is φ = 3600000.

The previous prime is 5551867. The next prime is 5551873. The reversal of 5551869 is 9681555.

It is not a de Polignac number, because 5551869 - 2¹ = 5551867 is a prime.

It is a super-2 number, since 2×5551869² = 61646498786322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21994 + ... + 22244.

It is an arithmetic number, because the mean of its divisors is an integer number (475524).

Almost surely, 2^5551869 is an apocalyptic number.

It is an amenable number.

5551869 is a deficient number, since it is larger than the sum of its proper divisors (2056515).

5551869 is a wasteful number, since it uses less digits than its factorization.

5551869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428.

The product of its digits is 54000, while the sum is 39.

The square root of 5551869 is about 2356.2404376464. The cubic root of 5551869 is about 177.0705773634.

The spelling of 5551869 in words is "five million, five hundred fifty-one thousand, eight hundred sixty-nine".