50513274637 has 4 divisors (see below), whose sum is σ = 57729456736. Its totient is φ = 43297092540.

The previous prime is 50513274607. The next prime is 50513274641. The reversal of 50513274637 is 73647231505.

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 50513274637 - 2⁷ = 50513274509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50513274593 and 50513274602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50513274607) 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, 3608091039 + ... + 3608091052.

It is an arithmetic number, because the mean of its divisors is an integer number (14432364184).

Almost surely, 2^50513274637 is an apocalyptic number.

It is an amenable number.

50513274637 is a deficient number, since it is larger than the sum of its proper divisors (7216182099).

50513274637 is an equidigital number, since it uses as much as digits as its factorization.

50513274637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7216182098.

The product of its (nonzero) digits is 529200, while the sum is 43.

The spelling of 50513274637 in words is "fifty billion, five hundred thirteen million, two hundred seventy-four thousand, six hundred thirty-seven".