550551164356 has 24 divisors (see below), whose sum is σ = 977528336120. Its totient is φ = 271264038912.

The previous prime is 550551164341. The next prime is 550551164357. The reversal of 550551164356 is 653461155055.

It can be written as a sum of positive squares in 4 ways, for example, as 13599291456 + 536951872900 = 116616^2 + 732770^2 .

It is not an unprimeable number, because it can be changed into a prime (550551164357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505341 + ... + 1164676.

Almost surely, 2^550551164356 is an apocalyptic number.

It is an amenable number.

550551164356 is a deficient number, since it is larger than the sum of its proper divisors (426977171764).

550551164356 is a wasteful number, since it uses less digits than its factorization.

550551164356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671223 (or 1671221 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 46.

The spelling of 550551164356 in words is "five hundred fifty billion, five hundred fifty-one million, one hundred sixty-four thousand, three hundred fifty-six".