50149643 has 8 divisors (see below), whose sum is σ = 53848800. Its totient is φ = 46533760.

The previous prime is 50149621. The next prime is 50149657. The reversal of 50149643 is 34694105.

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

It is not a de Polignac number, because 50149643 - 2⁶ = 50149579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50149663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19568 + ... + 21981.

It is an arithmetic number, because the mean of its divisors is an integer number (6731100).

Almost surely, 2^50149643 is an apocalyptic number.

50149643 is a deficient number, since it is larger than the sum of its proper divisors (3699157).

50149643 is a wasteful number, since it uses less digits than its factorization.

50149643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41637.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 50149643 is about 7081.6412645657. The cubic root of 50149643 is about 368.7703101712.

The spelling of 50149643 in words is "fifty million, one hundred forty-nine thousand, six hundred forty-three".