551040050 has 36 divisors (see below), whose sum is σ = 1126593258. Its totient is φ = 200376000.

The previous prime is 551040037. The next prime is 551040121. The reversal of 551040050 is 50040155.

It can be written as a sum of positive squares in 3 ways, for example, as 463411729 + 87628321 = 21527^2 + 9361^2 .

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 17 ways as a sum of consecutive naturals, for example, 39491 + ... + 51590.

Almost surely, 2^551040050 is an apocalyptic number.

551040050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

551040050 is an abundant number, since it is smaller than the sum of its proper divisors (575553208).

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

551040050 is a wasteful number, since it uses less digits than its factorization.

551040050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91115 (or 91099 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 551040050 is about 23474.2422667911. The cubic root of 551040050 is about 819.8373909170.

The spelling of 551040050 in words is "five hundred fifty-one million, forty thousand, fifty".