49994549 has 4 divisors (see below), whose sum is σ = 54539520. Its totient is φ = 45449580.

The previous prime is 49994543. The next prime is 49994557. The reversal of 49994549 is 94549994.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 49994549 - 2⁴ = 49994533 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 49994549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49994543) 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, 2272469 + ... + 2272490.

It is an arithmetic number, because the mean of its divisors is an integer number (13634880).

Almost surely, 2^49994549 is an apocalyptic number.

It is an amenable number.

49994549 is a deficient number, since it is larger than the sum of its proper divisors (4544971).

49994549 is a wasteful number, since it uses less digits than its factorization.

49994549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544970.

The product of its digits is 2099520, while the sum is 53.

The square root of 49994549 is about 7070.6823574532. The cubic root of 49994549 is about 368.3897616070.

It can be divided in two parts, 499945 and 49, that added together give a palindrome (499994).

The spelling of 49994549 in words is "forty-nine million, nine hundred ninety-four thousand, five hundred forty-nine".