551043132250 has 48 divisors (see below), whose sum is σ = 1117006902648. Its totient is φ = 203462064000.

The previous prime is 551043132197. The next prime is 551043132253. The reversal of 551043132250 is 52231340155.

It can be written as a sum of positive squares in 12 ways, for example, as 315640588761 + 235402543489 = 561819^2 + 485183^2 .

It is not an unprimeable number, because it can be changed into a prime (551043132253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6478971 + ... + 6563470.

Almost surely, 2^551043132250 is an apocalyptic number.

551043132250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

551043132250 is an abundant number, since it is smaller than the sum of its proper divisors (565963770398).

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

551043132250 is a wasteful number, since it uses less digits than its factorization.

551043132250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13042484 (or 13042461 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 551043132250 in words is "five hundred fifty-one billion, forty-three million, one hundred thirty-two thousand, two hundred fifty".