550051500 has 48 divisors (see below), whose sum is σ = 1601754336. Its totient is φ = 146680000.

The previous prime is 550051459. The next prime is 550051511. The reversal of 550051500 is 5150055.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181851 + ... + 184850.

It is an arithmetic number, because the mean of its divisors is an integer number (33369882).

Almost surely, 2^550051500 is an apocalyptic number.

550051500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550051500 is an abundant number, since it is smaller than the sum of its proper divisors (1051702836).

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

550051500 is a wasteful number, since it uses less digits than its factorization.

550051500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366723 (or 366711 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 550051500 is about 23453.1767571048. The cubic root of 550051500 is about 819.3468425573.

The spelling of 550051500 in words is "five hundred fifty million, fifty-one thousand, five hundred".