5550405 has 16 divisors (see below), whose sum is σ = 10149504. Its totient is φ = 2537280.

The previous prime is 5550403. The next prime is 5550427. The reversal of 5550405 is 5040555.

It is not a de Polignac number, because 5550405 - 2¹ = 5550403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5550401) 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, 26326 + ... + 26535.

It is an arithmetic number, because the mean of its divisors is an integer number (634344).

Almost surely, 2^5550405 is an apocalyptic number.

It is an amenable number.

5550405 is a deficient number, since it is larger than the sum of its proper divisors (4599099).

5550405 is a wasteful number, since it uses less digits than its factorization.

5550405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52876.

The product of its (nonzero) digits is 2500, while the sum is 24.

The square root of 5550405 is about 2355.9297527728. The cubic root of 5550405 is about 177.0550117875.

The spelling of 5550405 in words is "five million, five hundred fifty thousand, four hundred five".