49791 has 8 divisors (see below), whose sum is σ = 75904. Its totient is φ = 28440.

The previous prime is 49789. The next prime is 49801. The reversal of 49791 is 19794.

49791 = 53² + 54² + ... + 66².

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

It is not a de Polignac number, because 49791 - 2¹ = 49789 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49711) 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, 1165 + ... + 1206.

It is an arithmetic number, because the mean of its divisors is an integer number (9488).

2⁴⁹⁷⁹¹ is an apocalyptic number.

49791 is a deficient number, since it is larger than the sum of its proper divisors (26113).

49791 is a wasteful number, since it uses less digits than its factorization.

49791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381.

The product of its digits is 2268, while the sum is 30.

The square root of 49791 is about 223.1389701509. The cubic root of 49791 is about 36.7889124600.

The spelling of 49791 in words is "forty-nine thousand, seven hundred ninety-one".