50611111556 has 6 divisors (see below), whose sum is σ = 88569445230. Its totient is φ = 25305555776.

The previous prime is 50611111501. The next prime is 50611111561. The reversal of 50611111556 is 65511111605.

It can be written as a sum of positive squares in only one way, i.e., 49412844100 + 1198267456 = 222290^2 + 34616^2 .

It is a super-2 number, since 2×50611111556² (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, 6326388941 + ... + 6326388948.

It is an arithmetic number, because the mean of its divisors is an integer number (14761574205).

Almost surely, 2^50611111556 is an apocalyptic number.

It is an amenable number.

50611111556 is a deficient number, since it is larger than the sum of its proper divisors (37958333674).

50611111556 is a wasteful number, since it uses less digits than its factorization.

50611111556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12652777893 (or 12652777891 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 32.

The spelling of 50611111556 in words is "fifty billion, six hundred eleven million, one hundred eleven thousand, five hundred fifty-six".