51550166060 has 24 divisors (see below), whose sum is σ = 108468052560. Its totient is φ = 20579551424.

The previous prime is 51550166051. The next prime is 51550166077. The reversal of 51550166060 is 6066105515.

It is a self number, because there is not a number n which added to its sum of digits gives 51550166060.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2521754 + ... + 2542113.

It is an arithmetic number, because the mean of its divisors is an integer number (4519502190).

Almost surely, 2^51550166060 is an apocalyptic number.

It is an amenable number.

51550166060 is an abundant number, since it is smaller than the sum of its proper divisors (56917886500).

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

51550166060 is a wasteful number, since it uses less digits than its factorization.

51550166060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5064385 (or 5064383 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 51550166060 in words is "fifty-one billion, five hundred fifty million, one hundred sixty-six thousand, sixty".