550051431031 has 4 divisors (see below), whose sum is σ = 550061664232. Its totient is φ = 550041197832.

The previous prime is 550051431029. The next prime is 550051431047. The reversal of 550051431031 is 130134150055.

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

It is a cyclic number.

It is not a de Polignac number, because 550051431031 - 2¹ = 550051431029 is a prime.

It is a super-2 number, since 2×550051431031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550051431331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5035545 + ... + 5143618.

It is an arithmetic number, because the mean of its divisors is an integer number (137515416058).

Almost surely, 2^550051431031 is an apocalyptic number.

550051431031 is a deficient number, since it is larger than the sum of its proper divisors (10233201).

550051431031 is a wasteful number, since it uses less digits than its factorization.

550051431031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10233200.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 550051431031 its reverse (130134150055), we get a palindrome (680185581086).

The spelling of 550051431031 in words is "five hundred fifty billion, fifty-one million, four hundred thirty-one thousand, thirty-one".