50121017 has 4 divisors (see below), whose sum is σ = 51737856. Its totient is φ = 48504180.

The previous prime is 50121007. The next prime is 50121023. The reversal of 50121017 is 71012105.

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 50121017 - 2¹² = 50116921 is a prime.

It is a super-2 number, since 2×50121017² = 5024232690228578, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50120986 and 50121004.

It is not an unprimeable number, because it can be changed into a prime (50121007) 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, 808373 + ... + 808434.

It is an arithmetic number, because the mean of its divisors is an integer number (12934464).

Almost surely, 2^50121017 is an apocalyptic number.

It is an amenable number.

50121017 is a deficient number, since it is larger than the sum of its proper divisors (1616839).

50121017 is a wasteful number, since it uses less digits than its factorization.

50121017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616838.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 50121017 is about 7079.6198344261. The cubic root of 50121017 is about 368.7001306878.

The spelling of 50121017 in words is "fifty million, one hundred twenty-one thousand, seventeen".