550357800 has 192 divisors, whose sum is σ = 1874880000. Its totient is φ = 132929280.

The previous prime is 550357793. The next prime is 550357859. The reversal of 550357800 is 8753055.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 261151 + ... + 263249.

It is an arithmetic number, because the mean of its divisors is an integer number (9765000).

Almost surely, 2^550357800 is an apocalyptic number.

550357800 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 550357800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937440000).

550357800 is an abundant number, since it is smaller than the sum of its proper divisors (1324522200).

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

550357800 is a wasteful number, since it uses less digits than its factorization.

550357800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2160 (or 2151 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 550357800 is about 23459.7058805092. The cubic root of 550357800 is about 819.4989006635.

It can be divided in two parts, 55035 and 7800, that added together give a triangular number (62835 = T₃₅₄).

The spelling of 550357800 in words is "five hundred fifty million, three hundred fifty-seven thousand, eight hundred".