50500005504997 has 4 divisors (see below), whose sum is σ = 50971968173376. Its totient is φ = 50028042836620.

The previous prime is 50500005504979. The next prime is 50500005505009. The reversal of 50500005504997 is 79940550000505.

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 a de Polignac number, because none of the positive numbers 2^k-50500005504997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50500005504997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50500005514997) 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, 235981334029 + ... + 235981334242.

It is an arithmetic number, because the mean of its divisors is an integer number (12742992043344).

Almost surely, 2^{50500005504997} is an apocalyptic number.

It is an amenable number.

50500005504997 is a deficient number, since it is larger than the sum of its proper divisors (471962668379).

50500005504997 is a wasteful number, since it uses less digits than its factorization.

50500005504997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471962668378.

The product of its (nonzero) digits is 1417500, while the sum is 49.

The spelling of 50500005504997 in words is "fifty trillion, five hundred billion, five million, five hundred four thousand, nine hundred ninety-seven".