550213033513 has 12 divisors (see below), whose sum is σ = 651301126084. Its totient is φ = 461717229600.

The previous prime is 550213033459. The next prime is 550213033577. The reversal of 550213033513 is 315330312055.

It can be written as a sum of positive squares in 2 ways, for example, as 30252340624 + 519960692889 = 173932^2 + 721083^2 .

It is not a de Polignac number, because 550213033513 - 2⁹ = 550213033001 is a prime.

It is a super-2 number, since 2×550213033513² (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 (550213031513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174891318 + ... + 174894463.

Almost surely, 2^550213033513 is an apocalyptic number.

It is an amenable number.

550213033513 is a deficient number, since it is larger than the sum of its proper divisors (101088092571).

550213033513 is a wasteful number, since it uses less digits than its factorization.

550213033513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349785816 (or 349785805 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 31.

Adding to 550213033513 its reverse (315330312055), we get a palindrome (865543345568).

The spelling of 550213033513 in words is "five hundred fifty billion, two hundred thirteen million, thirty-three thousand, five hundred thirteen".