50513204057 has 4 divisors (see below), whose sum is σ = 51033958836. Its totient is φ = 49992449280.

The previous prime is 50513204029. The next prime is 50513204089. The reversal of 50513204057 is 75040231505.

50513204057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13919044441 + 36594159616 = 117979^2 + 191296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50513204057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50513204557) 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, 260377244 + ... + 260377437.

It is an arithmetic number, because the mean of its divisors is an integer number (12758489709).

Almost surely, 2^50513204057 is an apocalyptic number.

It is an amenable number.

50513204057 is a deficient number, since it is larger than the sum of its proper divisors (520754779).

50513204057 is an equidigital number, since it uses as much as digits as its factorization.

50513204057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520754778.

The product of its (nonzero) digits is 21000, while the sum is 32.

The spelling of 50513204057 in words is "fifty billion, five hundred thirteen million, two hundred four thousand, fifty-seven".