50807384647 has 4 divisors (see below), whose sum is σ = 51766014600. Its totient is φ = 49848754696.

The previous prime is 50807384603. The next prime is 50807384659. The reversal of 50807384647 is 74648370805.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50807384647 is a prime.

It is a super-2 number, since 2×50807384647² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50807384594 and 50807384603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50807384347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479314897 + ... + 479315002.

It is an arithmetic number, because the mean of its divisors is an integer number (12941503650).

Almost surely, 2^50807384647 is an apocalyptic number.

50807384647 is a deficient number, since it is larger than the sum of its proper divisors (958629953).

50807384647 is an equidigital number, since it uses as much as digits as its factorization.

50807384647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958629952.

The product of its (nonzero) digits is 4515840, while the sum is 52.

The spelling of 50807384647 in words is "fifty billion, eight hundred seven million, three hundred eighty-four thousand, six hundred forty-seven".