550523504531 has 16 divisors (see below), whose sum is σ = 739164427008. Its totient is φ = 395980941600.

The previous prime is 550523504521. The next prime is 550523504539. The reversal of 550523504531 is 135405325055.

It is a cyclic number.

It is not a de Polignac number, because 550523504531 - 2³⁰ = 549449762707 is a prime.

It is a super-2 number, since 2×550523504531² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550523504539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274985765 + ... + 274987766.

It is an arithmetic number, because the mean of its divisors is an integer number (46197776688).

Almost surely, 2^550523504531 is an apocalyptic number.

550523504531 is a deficient number, since it is larger than the sum of its proper divisors (188640922477).

550523504531 is a wasteful number, since it uses less digits than its factorization.

550523504531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549973562.

The product of its (nonzero) digits is 225000, while the sum is 38.

Adding to 550523504531 its reverse (135405325055), we get a palindrome (685928829586).

The spelling of 550523504531 in words is "five hundred fifty billion, five hundred twenty-three million, five hundred four thousand, five hundred thirty-one".