50155166506 has 4 divisors (see below), whose sum is σ = 75232749762. Its totient is φ = 25077583252.

The previous prime is 50155166489. The next prime is 50155166513. The reversal of 50155166506 is 60566155105.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 47498279481 + 2656887025 = 217941^2 + 51545^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12538791625 + ... + 12538791628.

Almost surely, 2^50155166506 is an apocalyptic number.

50155166506 is a deficient number, since it is larger than the sum of its proper divisors (25077583256).

50155166506 is a wasteful number, since it uses less digits than its factorization.

50155166506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25077583255.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 50155166506 in words is "fifty billion, one hundred fifty-five million, one hundred sixty-six thousand, five hundred six".