550213204551 has 16 divisors (see below), whose sum is σ = 734245129728. Its totient is φ = 366495171200.

The previous prime is 550213204507. The next prime is 550213204561. The reversal of 550213204551 is 155402312055.

It is a cyclic number.

It is not a de Polignac number, because 550213204551 - 2⁶ = 550213204487 is a prime.

It is a super-2 number, since 2×550213204551² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550213204561) 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, 20420050 + ... + 20446976.

It is an arithmetic number, because the mean of its divisors is an integer number (45890320608).

Almost surely, 2^550213204551 is an apocalyptic number.

550213204551 is a deficient number, since it is larger than the sum of its proper divisors (184031925177).

550213204551 is a wasteful number, since it uses less digits than its factorization.

550213204551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32502.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 550213204551 in words is "five hundred fifty billion, two hundred thirteen million, two hundred four thousand, five hundred fifty-one".