50866531556 has 6 divisors (see below), whose sum is σ = 89016430230. Its totient is φ = 25433265776.

The previous prime is 50866531531. The next prime is 50866531591. The reversal of 50866531556 is 65513566805.

It can be written as a sum of positive squares in only one way, i.e., 50805160000 + 61371556 = 225400^2 + 7834^2 .

It is a super-2 number, since 2×50866531556² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6358316441 + ... + 6358316448.

It is an arithmetic number, because the mean of its divisors is an integer number (14836071705).

Almost surely, 2^50866531556 is an apocalyptic number.

It is an amenable number.

50866531556 is a deficient number, since it is larger than the sum of its proper divisors (38149898674).

50866531556 is a wasteful number, since it uses less digits than its factorization.

50866531556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12716632893 (or 12716632891 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 50.

The spelling of 50866531556 in words is "fifty billion, eight hundred sixty-six million, five hundred thirty-one thousand, five hundred fifty-six".