50214156638 has 4 divisors (see below), whose sum is σ = 75321234960. Its totient is φ = 25107078318.

The previous prime is 50214156611. The next prime is 50214156677. The reversal of 50214156638 is 83665141205.

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

It is a junction number, because it is equal to n+sod(n) for n = 50214156595 and 50214156604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12553539158 + ... + 12553539161.

It is an arithmetic number, because the mean of its divisors is an integer number (18830308740).

Almost surely, 2^50214156638 is an apocalyptic number.

50214156638 is a deficient number, since it is larger than the sum of its proper divisors (25107078322).

50214156638 is a wasteful number, since it uses less digits than its factorization.

50214156638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25107078321.

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 50214156638 in words is "fifty billion, two hundred fourteen million, one hundred fifty-six thousand, six hundred thirty-eight".