50740991 has 8 divisors (see below), whose sum is σ = 58588320. Its totient is φ = 43043328.

The previous prime is 50740979. The next prime is 50741011. The reversal of 50740991 is 19904705.

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-50740991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50740961) 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 7 ways as a sum of consecutive naturals, for example, 36686 + ... + 38043.

It is an arithmetic number, because the mean of its divisors is an integer number (7323540).

Almost surely, 2^50740991 is an apocalyptic number.

50740991 is a deficient number, since it is larger than the sum of its proper divisors (7847329).

50740991 is an equidigital number, since it uses as much as digits as its factorization.

50740991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74833.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 50740991 is about 7123.2710884818. The cubic root of 50740991 is about 370.2141224700.

The spelling of 50740991 in words is "fifty million, seven hundred forty thousand, nine hundred ninety-one".