50566210165 has 16 divisors (see below), whose sum is σ = 62240056560. Its totient is φ = 39424734720.

The previous prime is 50566210103. The next prime is 50566210169. The reversal of 50566210165 is 56101266505.

It can be written as a sum of positive squares in 8 ways, for example, as 793492561 + 49772717604 = 28169^2 + 223098^2 .

It is not a de Polignac number, because 50566210165 - 2¹¹ = 50566208117 is a prime.

It is a super-2 number, since 2×50566210165² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50566210169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 727264 + ... + 793753.

It is an arithmetic number, because the mean of its divisors is an integer number (3890003535).

Almost surely, 2^50566210165 is an apocalyptic number.

It is an amenable number.

50566210165 is a deficient number, since it is larger than the sum of its proper divisors (11673846395).

50566210165 is a wasteful number, since it uses less digits than its factorization.

50566210165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1521192.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 50566210165 in words is "fifty billion, five hundred sixty-six million, two hundred ten thousand, one hundred sixty-five".