550963800543 has 16 divisors (see below), whose sum is σ = 791141587040. Its totient is φ = 339048612864.

The previous prime is 550963800539. The next prime is 550963800551. The reversal of 550963800543 is 345008369055.

It is not a de Polignac number, because 550963800543 - 2² = 550963800539 is a prime.

It is a super-2 number, since 2×550963800543² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 550963800492 and 550963800501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550963800503) 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, 3223623 + ... + 3390231.

It is an arithmetic number, because the mean of its divisors is an integer number (49446349190).

Almost surely, 2^550963800543 is an apocalyptic number.

550963800543 is a deficient number, since it is larger than the sum of its proper divisors (240177786497).

550963800543 is a wasteful number, since it uses less digits than its factorization.

550963800543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251418.

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 550963800543 in words is "five hundred fifty billion, nine hundred sixty-three million, eight hundred thousand, five hundred forty-three".