550345243003 has 16 divisors (see below), whose sum is σ = 558770736384. Its totient is φ = 541980426240.

The previous prime is 550345243001. The next prime is 550345243051. The reversal of 550345243003 is 300342543055.

It is a cyclic number.

It is not a de Polignac number, because 550345243003 - 2¹ = 550345243001 is a prime.

It is a super-2 number, since 2×550345243003² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550345243003.

It is not an unprimeable number, because it can be changed into a prime (550345243001) 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, 24693501 + ... + 24715777.

It is an arithmetic number, because the mean of its divisors is an integer number (34923171024).

Almost surely, 2^550345243003 is an apocalyptic number.

550345243003 is a deficient number, since it is larger than the sum of its proper divisors (8425493381).

550345243003 is a wasteful number, since it uses less digits than its factorization.

550345243003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23622.

The product of its (nonzero) digits is 108000, while the sum is 34.

Adding to 550345243003 its reverse (300342543055), we get a palindrome (850687786058).

It can be divided in two parts, 5503452 and 43003, that added together give a palindrome (5546455).

The spelling of 550345243003 in words is "five hundred fifty billion, three hundred forty-five million, two hundred forty-three thousand, three".