50005566155 has 8 divisors (see below), whose sum is σ = 61470257184. Its totient is φ = 39028734400.

The previous prime is 50005566139. The next prime is 50005566203. The reversal of 50005566155 is 55166550005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50005566155 - 2⁴ = 50005566139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121964591 + ... + 121965000.

It is an arithmetic number, because the mean of its divisors is an integer number (7683782148).

Almost surely, 2^50005566155 is an apocalyptic number.

50005566155 is a deficient number, since it is larger than the sum of its proper divisors (11464691029).

50005566155 is a wasteful number, since it uses less digits than its factorization.

50005566155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243929637.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 50005566155 in words is "fifty billion, five million, five hundred sixty-six thousand, one hundred fifty-five".