49644791 has 8 divisors (see below), whose sum is σ = 57895200. Its totient is φ = 42552384.

The previous prime is 49644767. The next prime is 49644797. The reversal of 49644791 is 19744694.

It is not a de Polignac number, because 49644791 - 2¹⁰ = 49643767 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 (49644797) 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, 72026 + ... + 72711.

It is an arithmetic number, because the mean of its divisors is an integer number (7236900).

Almost surely, 2^49644791 is an apocalyptic number.

49644791 is a deficient number, since it is larger than the sum of its proper divisors (8250409).

49644791 is an equidigital number, since it uses as much as digits as its factorization.

49644791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144758 (or 144744 counting only the distinct ones).

The product of its digits is 217728, while the sum is 44.

The square root of 49644791 is about 7045.9059743939. The cubic root of 49644791 is about 367.5286750112.

The spelling of 49644791 in words is "forty-nine million, six hundred forty-four thousand, seven hundred ninety-one".