50191449 has 64 divisors (see below), whose sum is σ = 88670208. Its totient is φ = 24494400.

The previous prime is 50191447. The next prime is 50191459. The reversal of 50191449 is 94419105.

It is not a de Polignac number, because 50191449 - 2¹ = 50191447 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50191447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 307842 + ... + 308004.

It is an arithmetic number, because the mean of its divisors is an integer number (1385472).

Almost surely, 2^50191449 is an apocalyptic number.

It is an amenable number.

50191449 is a deficient number, since it is larger than the sum of its proper divisors (38478759).

50191449 is a wasteful number, since it uses less digits than its factorization.

50191449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 50191449 is about 7084.5923665374. The cubic root of 50191449 is about 368.8727537693.

The spelling of 50191449 in words is "fifty million, one hundred ninety-one thousand, four hundred forty-nine".