550165023225 has 144 divisors (see below), whose sum is σ = 1054190277504. Its totient is φ = 273312000000.

The previous prime is 550165023209. The next prime is 550165023251. The reversal of 550165023225 is 522320561055.

550165023225 is a `hidden beast` number, since 550 + 1 + 6 + 50 + 2 + 32 + 25 = 666.

It is not a de Polignac number, because 550165023225 - 2⁴ = 550165023209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 550165023225.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 169227850 + ... + 169231100.

It is an arithmetic number, because the mean of its divisors is an integer number (7320765816).

Almost surely, 2^550165023225 is an apocalyptic number.

It is an amenable number.

550165023225 is a deficient number, since it is larger than the sum of its proper divisors (504025254279).

550165023225 is a wasteful number, since it uses less digits than its factorization.

550165023225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3728 (or 3720 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 550165023225 in words is "five hundred fifty billion, one hundred sixty-five million, twenty-three thousand, two hundred twenty-five".