49329791 has 4 divisors (see below), whose sum is σ = 56376912. Its totient is φ = 42282672.

The previous prime is 49329703. The next prime is 49329809. The reversal of 49329791 is 19792394.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49329791 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 (49329701) 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 3 ways as a sum of consecutive naturals, for example, 3523550 + ... + 3523563.

It is an arithmetic number, because the mean of its divisors is an integer number (14094228).

Almost surely, 2^49329791 is an apocalyptic number.

49329791 is a deficient number, since it is larger than the sum of its proper divisors (7047121).

49329791 is an equidigital number, since it uses as much as digits as its factorization.

49329791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7047120.

The product of its digits is 122472, while the sum is 44.

The square root of 49329791 is about 7023.5169964911. The cubic root of 49329791 is about 366.7496925853.

The spelling of 49329791 in words is "forty-nine million, three hundred twenty-nine thousand, seven hundred ninety-one".