49567791 has 32 divisors (see below), whose sum is σ = 83980288. Its totient is φ = 25297920.

The previous prime is 49567769. The next prime is 49567799. The reversal of 49567791 is 19776594.

It is a happy number.

It is not a de Polignac number, because 49567791 - 2¹⁰ = 49566767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49567791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49567799) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5535 + ... + 11391.

It is an arithmetic number, because the mean of its divisors is an integer number (2624384).

Almost surely, 2^49567791 is an apocalyptic number.

49567791 is a deficient number, since it is larger than the sum of its proper divisors (34412497).

49567791 is a wasteful number, since it uses less digits than its factorization.

49567791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5911.

The product of its digits is 476280, while the sum is 48.

The square root of 49567791 is about 7040.4396879740. The cubic root of 49567791 is about 367.3385620698.

It can be divided in two parts, 495 and 67791, that added together give a palindrome (68286).

The spelling of 49567791 in words is "forty-nine million, five hundred sixty-seven thousand, seven hundred ninety-one".