550244220313 has 16 divisors (see below), whose sum is σ = 562139377920. Its totient is φ = 538407058176.

The previous prime is 550244220311. The next prime is 550244220341. The reversal of 550244220313 is 313022442055.

It is a cyclic number.

It is not a de Polignac number, because 550244220313 - 2¹ = 550244220311 is a prime.

It is a super-2 number, since 2×550244220313² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550244220311) 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, 32043856 + ... + 32061022.

It is an arithmetic number, because the mean of its divisors is an integer number (35133711120).

Almost surely, 2^550244220313 is an apocalyptic number.

550244220313 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

550244220313 is a deficient number, since it is larger than the sum of its proper divisors (11895157607).

550244220313 is a wasteful number, since it uses less digits than its factorization.

550244220313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18816.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 550244220313 its reverse (313022442055), we get a palindrome (863266662368).

The spelling of 550244220313 in words is "five hundred fifty billion, two hundred forty-four million, two hundred twenty thousand, three hundred thirteen".