550213315533 has 48 divisors (see below), whose sum is σ = 970705607040. Its totient is φ = 293147440128.

The previous prime is 550213315493. The next prime is 550213315577. The reversal of 550213315533 is 335513312055.

550213315533 is a `hidden beast` number, since 5 + 50 + 21 + 3 + 31 + 553 + 3 = 666.

It is not a de Polignac number, because 550213315533 - 2⁸ = 550213315277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550213315033) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2286048 + ... + 2515241.

It is an arithmetic number, because the mean of its divisors is an integer number (20223033480).

Almost surely, 2^550213315533 is an apocalyptic number.

It is an amenable number.

550213315533 is a deficient number, since it is larger than the sum of its proper divisors (420492291507).

550213315533 is a wasteful number, since it uses less digits than its factorization.

550213315533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4801426 (or 4801423 counting only the distinct ones).

The product of its (nonzero) digits is 101250, while the sum is 36.

Adding to 550213315533 its reverse (335513312055), we get a palindrome (885726627588).

The spelling of 550213315533 in words is "five hundred fifty billion, two hundred thirteen million, three hundred fifteen thousand, five hundred thirty-three".