50917137 has 4 divisors (see below), whose sum is σ = 67889520. Its totient is φ = 33944756.

The previous prime is 50917133. The next prime is 50917171. The reversal of 50917137 is 73171905.

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 50917137 - 2² = 50917133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50917098 and 50917107.

It is not an unprimeable number, because it can be changed into a prime (50917133) 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, 8486187 + ... + 8486192.

It is an arithmetic number, because the mean of its divisors is an integer number (16972380).

Almost surely, 2^50917137 is an apocalyptic number.

It is an amenable number.

50917137 is a deficient number, since it is larger than the sum of its proper divisors (16972383).

50917137 is a wasteful number, since it uses less digits than its factorization.

50917137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16972382.

The product of its (nonzero) digits is 6615, while the sum is 33.

The square root of 50917137 is about 7135.6244996496. The cubic root of 50917137 is about 370.6420238600.

The spelling of 50917137 in words is "fifty million, nine hundred seventeen thousand, one hundred thirty-seven".