550507100 has 144 divisors (see below), whose sum is σ = 1418721696. Its totient is φ = 182784000.

The previous prime is 550507063. The next prime is 550507147. The reversal of 550507100 is 1705055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1958960 + ... + 1959240.

It is an arithmetic number, because the mean of its divisors is an integer number (9852234).

Almost surely, 2^550507100 is an apocalyptic number.

550507100 is a gapful number since it is divisible by the number (50) 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 550507100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (709360848).

550507100 is an abundant number, since it is smaller than the sum of its proper divisors (868214596).

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

550507100 is a wasteful number, since it uses less digits than its factorization.

550507100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 875, while the sum is 23.

The square root of 550507100 is about 23462.8877165621. The cubic root of 550507100 is about 819.5729979894.

The spelling of 550507100 in words is "five hundred fifty million, five hundred seven thousand, one hundred".