50500044137 has 4 divisors (see below), whose sum is σ = 51000044676. Its totient is φ = 50000043600.

The previous prime is 50500044107. The next prime is 50500044149. The reversal of 50500044137 is 73144000505.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23805712681 + 26694331456 = 154291^2 + 163384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50500044137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50500044107) 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, 250000118 + ... + 250000319.

It is an arithmetic number, because the mean of its divisors is an integer number (12750011169).

Almost surely, 2^50500044137 is an apocalyptic number.

It is an amenable number.

50500044137 is a deficient number, since it is larger than the sum of its proper divisors (500000539).

50500044137 is a wasteful number, since it uses less digits than its factorization.

50500044137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500000538.

The product of its (nonzero) digits is 8400, while the sum is 29.

The spelling of 50500044137 in words is "fifty billion, five hundred million, forty-four thousand, one hundred thirty-seven".