50491895 has 8 divisors (see below), whose sum is σ = 61215504. Its totient is φ = 39976704.

The previous prime is 50491867. The next prime is 50491897. The reversal of 50491895 is 59819405.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50491895 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50491897) 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, 51569 + ... + 52538.

It is an arithmetic number, because the mean of its divisors is an integer number (7651938).

Almost surely, 2^50491895 is an apocalyptic number.

50491895 is a deficient number, since it is larger than the sum of its proper divisors (10723609).

50491895 is a wasteful number, since it uses less digits than its factorization.

50491895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104209.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 50491895 is about 7105.7649130829. The cubic root of 50491895 is about 369.6073140883.

The spelling of 50491895 in words is "fifty million, four hundred ninety-one thousand, eight hundred ninety-five".