550055004 has 12 divisors (see below), whose sum is σ = 1283461704. Its totient is φ = 183351664.

The previous prime is 550055003. The next prime is 550055017. The reversal of 550055004 is 400550055.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550055003) 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, 22918947 + ... + 22918970.

It is an arithmetic number, because the mean of its divisors is an integer number (106955142).

Almost surely, 2^550055004 is an apocalyptic number.

It is an amenable number.

550055004 is an abundant number, since it is smaller than the sum of its proper divisors (733406700).

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

550055004 is a wasteful number, since it uses less digits than its factorization.

550055004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45837924 (or 45837922 counting only the distinct ones).

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

The square root of 550055004 is about 23453.2514590195. The cubic root of 550055004 is about 819.3485823855.

The spelling of 550055004 in words is "five hundred fifty million, fifty-five thousand, four".