550165023125 has 10 divisors (see below), whose sum is σ = 687486213678. Its totient is φ = 440132018000.

The previous prime is 550165023119. The next prime is 550165023127. The reversal of 550165023125 is 521320561055.

It can be written as a sum of positive squares in 5 ways, for example, as 128799160996 + 421365862129 = 358886^2 + 649127^2 .

It is not a de Polignac number, because 550165023125 - 2²⁴ = 550148245909 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 (550165023127) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 440131394 + ... + 440132643.

Almost surely, 2^550165023125 is an apocalyptic number.

It is an amenable number.

550165023125 is a deficient number, since it is larger than the sum of its proper divisors (137321190553).

550165023125 is an frugal number, since it uses more digits than its factorization.

550165023125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880264057 (or 880264042 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 550165023125 in words is "five hundred fifty billion, one hundred sixty-five million, twenty-three thousand, one hundred twenty-five".