49459791 has 4 divisors (see below), whose sum is σ = 65946392. Its totient is φ = 32973192.

The previous prime is 49459771. The next prime is 49459799. The reversal of 49459791 is 19795494.

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

It is not a de Polignac number, because 49459791 - 2⁶ = 49459727 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49459791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49459799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8243296 + ... + 8243301.

It is an arithmetic number, because the mean of its divisors is an integer number (16486598).

Almost surely, 2^49459791 is an apocalyptic number.

49459791 is a deficient number, since it is larger than the sum of its proper divisors (16486601).

49459791 is a wasteful number, since it uses less digits than its factorization.

49459791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16486600.

The product of its digits is 408240, while the sum is 48.

The square root of 49459791 is about 7032.7655300031. The cubic root of 49459791 is about 367.0715781262.

The spelling of 49459791 in words is "forty-nine million, four hundred fifty-nine thousand, seven hundred ninety-one".