550310004 has 48 divisors (see below), whose sum is σ = 1432717440. Its totient is φ = 182666880.

The previous prime is 550309999. The next prime is 550310021. The reversal of 550310004 is 400013055.

It is a super-2 number, since 2×550310004² = 605682201004960032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15457 + ... + 36599.

It is an arithmetic number, because the mean of its divisors is an integer number (29848280).

Almost surely, 2^550310004 is an apocalyptic number.

550310004 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 550310004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (716358720).

550310004 is an abundant number, since it is smaller than the sum of its proper divisors (882407436).

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

550310004 is a wasteful number, since it uses less digits than its factorization.

550310004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21397 (or 21389 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 550310004 is about 23458.6871755433. The cubic root of 550310004 is about 819.4751767616.

Adding to 550310004 its reverse (400013055), we get a palindrome (950323059).

The spelling of 550310004 in words is "five hundred fifty million, three hundred ten thousand, four".