550052641561 has 8 divisors (see below), whose sum is σ = 551812741704. Its totient is φ = 548294691840.

The previous prime is 550052641547. The next prime is 550052641609. The reversal of 550052641561 is 165146250055.

It can be written as a sum of positive squares in 4 ways, for example, as 13283945536 + 536768696025 = 115256^2 + 732645^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 550052641561 - 2⁹ = 550052641049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550052641261) 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, 24430 + ... + 1049143.

It is an arithmetic number, because the mean of its divisors is an integer number (68976592713).

Almost surely, 2^550052641561 is an apocalyptic number.

It is an amenable number.

550052641561 is a deficient number, since it is larger than the sum of its proper divisors (1760100143).

550052641561 is a wasteful number, since it uses less digits than its factorization.

550052641561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075211.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 550052641561 in words is "five hundred fifty billion, fifty-two million, six hundred forty-one thousand, five hundred sixty-one".