550661726631 has 8 divisors (see below), whose sum is σ = 737508083200. Its totient is φ = 365461593912.

The previous prime is 550661726617. The next prime is 550661726677. The reversal of 550661726631 is 136627166055.

550661726631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 550661726631 - 2¹⁷ = 550661595559 is a prime.

It is a super-2 number, since 2×550661726631² (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 (550661726611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411555181 + ... + 411556518.

It is an arithmetic number, because the mean of its divisors is an integer number (92188510400).

Almost surely, 2^550661726631 is an apocalyptic number.

550661726631 is a deficient number, since it is larger than the sum of its proper divisors (186846356569).

550661726631 is a wasteful number, since it uses less digits than its factorization.

550661726631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823111925.

The product of its (nonzero) digits is 1360800, while the sum is 48.

The spelling of 550661726631 in words is "five hundred fifty billion, six hundred sixty-one million, seven hundred twenty-six thousand, six hundred thirty-one".