50651060506566 has 64 divisors (see below), whose sum is σ = 110959042333440. Its totient is φ = 15318941927040.

The previous prime is 50651060506549. The next prime is 50651060506573. The reversal of 50651060506566 is 66560506015605.

It is a super-2 number, since 2×50651060506566² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3293721 + ... + 10590123.

It is an arithmetic number, because the mean of its divisors is an integer number (1733735036460).

Almost surely, 2^{50651060506566} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50651060506566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55479521166720).

50651060506566 is an abundant number, since it is smaller than the sum of its proper divisors (60307981826874).

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

50651060506566 is a wasteful number, since it uses less digits than its factorization.

50651060506566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7297941.

The product of its (nonzero) digits is 4860000, while the sum is 51.

The spelling of 50651060506566 in words is "fifty trillion, six hundred fifty-one billion, sixty million, five hundred six thousand, five hundred sixty-six".