550165064520 has 32 divisors (see below), whose sum is σ = 1650495193920. Its totient is φ = 146710683840.

The previous prime is 550165064503. The next prime is 550165064543. The reversal of 550165064520 is 25460561055.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2292354316 + ... + 2292354555.

It is an arithmetic number, because the mean of its divisors is an integer number (51577974810).

Almost surely, 2^550165064520 is an apocalyptic number.

It is an amenable number.

550165064520 is an abundant number, since it is smaller than the sum of its proper divisors (1100330129400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

550165064520 is a wasteful number, since it uses less digits than its factorization.

550165064520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584708885 (or 4584708881 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 550165064520 in words is "five hundred fifty billion, one hundred sixty-five million, sixty-four thousand, five hundred twenty".