550161050605 has 12 divisors (see below), whose sum is σ = 663527724732. Its totient is φ = 437916980160.

The previous prime is 550161050603. The next prime is 550161050609. The reversal of 550161050605 is 506050161055.

It can be written as a sum of positive squares in 2 ways, for example, as 400965035524 + 149196015081 = 633218^2 + 386259^2 .

It is not a de Polignac number, because 550161050605 - 2¹ = 550161050603 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550161050603) 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, 1191256 + ... + 1587265.

It is an arithmetic number, because the mean of its divisors is an integer number (55293977061).

Almost surely, 2^550161050605 is an apocalyptic number.

It is an amenable number.

550161050605 is a deficient number, since it is larger than the sum of its proper divisors (113366674127).

550161050605 is an equidigital number, since it uses as much as digits as its factorization.

550161050605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2778924 (or 2778725 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 550161050605 in words is "five hundred fifty billion, one hundred sixty-one million, fifty thousand, six hundred five".