50556665017 has 4 divisors (see below), whose sum is σ = 50566807696. Its totient is φ = 50546522340.

The previous prime is 50556665011. The next prime is 50556665059. The reversal of 50556665017 is 71056665505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50556665017 - 2¹⁵ = 50556632249 is a prime.

It is a super-2 number, since 2×50556665017² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50556665011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5063859 + ... + 5073832.

It is an arithmetic number, because the mean of its divisors is an integer number (12641701924).

Almost surely, 2^50556665017 is an apocalyptic number.

It is an amenable number.

50556665017 is a deficient number, since it is larger than the sum of its proper divisors (10142679).

50556665017 is a wasteful number, since it uses less digits than its factorization.

50556665017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10142678.

The product of its (nonzero) digits is 945000, while the sum is 46.

The spelling of 50556665017 in words is "fifty billion, five hundred fifty-six million, six hundred sixty-five thousand, seventeen".