50290718538 has 8 divisors (see below), whose sum is σ = 100581437088. Its totient is φ = 16763572844.

The previous prime is 50290718519. The next prime is 50290718539. The reversal of 50290718538 is 83581709205.

It is a sphenic number, since it is the product of 3 distinct primes.

50290718538 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (50290718539) 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, 4190893206 + ... + 4190893217.

It is an arithmetic number, because the mean of its divisors is an integer number (12572679636).

Almost surely, 2^50290718538 is an apocalyptic number.

50290718538 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50290718538 is a wasteful number, since it uses less digits than its factorization.

50290718538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8381786428.

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 50290718538 in words is "fifty billion, two hundred ninety million, seven hundred eighteen thousand, five hundred thirty-eight".