5550051665 has 16 divisors (see below), whose sum is σ = 6768824400. Its totient is φ = 4367849472.

The previous prime is 5550051653. The next prime is 5550051671. The reversal of 5550051665 is 5661500555.

It can be written as a sum of positive squares in 8 ways, for example, as 387341761 + 5162709904 = 19681^2 + 71852^2 .

It is a cyclic number.

It is not a de Polignac number, because 5550051665 - 2¹⁸ = 5549789521 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122441 + ... + 161529.

It is an arithmetic number, because the mean of its divisors is an integer number (423051525).

Almost surely, 2^5550051665 is an apocalyptic number.

It is an amenable number.

5550051665 is a deficient number, since it is larger than the sum of its proper divisors (1218772735).

5550051665 is a wasteful number, since it uses less digits than its factorization.

5550051665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39556.

The product of its (nonzero) digits is 112500, while the sum is 38.

The square root of 5550051665 is about 74498.6688807256. The cubic root of 5550051665 is about 1770.5125464062.

The spelling of 5550051665 in words is "five billion, five hundred fifty million, fifty-one thousand, six hundred sixty-five".