550160993 has 4 divisors (see below), whose sum is σ = 550280388. Its totient is φ = 550041600.

The previous prime is 550160969. The next prime is 550161067. The reversal of 550160993 is 399061055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 446772769 + 103388224 = 21137^2 + 10168^2 .

It is a cyclic number.

It is not a de Polignac number, because 550160993 - 2¹⁸ = 549898849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550160293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52496 + ... + 62097.

It is an arithmetic number, because the mean of its divisors is an integer number (137570097).

Almost surely, 2^550160993 is an apocalyptic number.

It is an amenable number.

550160993 is a deficient number, since it is larger than the sum of its proper divisors (119395).

550160993 is a wasteful number, since it uses less digits than its factorization.

550160993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119394.

The product of its (nonzero) digits is 36450, while the sum is 38.

The square root of 550160993 is about 23455.5109302697. The cubic root of 550160993 is about 819.4012052196.

The spelling of 550160993 in words is "five hundred fifty million, one hundred sixty thousand, nine hundred ninety-three".