50381018 has 8 divisors (see below), whose sum is σ = 76035648. Its totient is φ = 25035804.

The previous prime is 50381011. The next prime is 50381021. The reversal of 50381018 is 81018305.

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

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (50381011) 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, 76946 + ... + 77597.

It is an arithmetic number, because the mean of its divisors is an integer number (9504456).

Almost surely, 2^50381018 is an apocalyptic number.

50381018 is a deficient number, since it is larger than the sum of its proper divisors (25654630).

50381018 is a wasteful number, since it uses less digits than its factorization.

50381018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154708.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 50381018 is about 7097.9587206464. The cubic root of 50381018 is about 369.3365710711.

The spelling of 50381018 in words is "fifty million, three hundred eighty-one thousand, eighteen".