550552459331 has 4 divisors (see below), whose sum is σ = 629202810672. Its totient is φ = 471902107992.

The previous prime is 550552459297. The next prime is 550552459357. The reversal of 550552459331 is 133954255055.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 550552459331 - 2²² = 550548265027 is a prime.

It is a super-2 number, since 2×550552459331² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550552459231) 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 3 ways as a sum of consecutive naturals, for example, 39325175660 + ... + 39325175673.

It is an arithmetic number, because the mean of its divisors is an integer number (157300702668).

Almost surely, 2^550552459331 is an apocalyptic number.

550552459331 is a deficient number, since it is larger than the sum of its proper divisors (78650351341).

550552459331 is an equidigital number, since it uses as much as digits as its factorization.

550552459331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78650351340.

The product of its (nonzero) digits is 2025000, while the sum is 47.

The spelling of 550552459331 in words is "five hundred fifty billion, five hundred fifty-two million, four hundred fifty-nine thousand, three hundred thirty-one".