5550090 has 128 divisors (see below), whose sum is σ = 17418240. Its totient is φ = 1099008.

The previous prime is 5550073. The next prime is 5550113. The reversal of 5550090 is 900555.

It is a self number, because there is not a number n which added to its sum of digits gives 5550090.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51817 + ... + 51923.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

Almost surely, 2^5550090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5550090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8709120).

5550090 is an abundant number, since it is smaller than the sum of its proper divisors (11868150).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5550090 is a wasteful number, since it uses less digits than its factorization.

5550090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156.

The product of its (nonzero) digits is 1125, while the sum is 24.

The square root of 5550090 is about 2355.8628992367. The cubic root of 5550090 is about 177.0516622791.

The spelling of 5550090 in words is "five million, five hundred fifty thousand, ninety".