50018346172 has 6 divisors (see below), whose sum is σ = 87532105808. Its totient is φ = 25009173084.

The previous prime is 50018346151. The next prime is 50018346173. The reversal of 50018346172 is 27164381005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50018346173) 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 as a sum of consecutive naturals, namely, 6252293268 + ... + 6252293275.

Almost surely, 2^50018346172 is an apocalyptic number.

It is an amenable number.

50018346172 is a deficient number, since it is larger than the sum of its proper divisors (37513759636).

50018346172 is a wasteful number, since it uses less digits than its factorization.

50018346172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12504586547 (or 12504586545 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 50018346172 in words is "fifty billion, eighteen million, three hundred forty-six thousand, one hundred seventy-two".