550056100 has 72 divisors (see below), whose sum is σ = 1315290816. Its totient is φ = 198000000.

The previous prime is 550056053. The next prime is 550056103. The reversal of 550056100 is 1650055.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (550056103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108625 + ... + 113575.

It is an arithmetic number, because the mean of its divisors is an integer number (18267928).

Almost surely, 2^550056100 is an apocalyptic number.

550056100 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 550056100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657645408).

550056100 is an abundant number, since it is smaller than the sum of its proper divisors (765234716).

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

550056100 is a wasteful number, since it uses less digits than its factorization.

550056100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5077 (or 5070 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 550056100 is about 23453.2748246380. The cubic root of 550056100 is about 819.3491265768.

The spelling of 550056100 in words is "five hundred fifty million, fifty-six thousand, one hundred".