49444729 has 4 divisors (see below), whose sum is σ = 50650740. Its totient is φ = 48238720.

The previous prime is 49444693. The next prime is 49444753. The reversal of 49444729 is 92744494.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17239104 + 32205625 = 4152^2 + 5675^2 .

It is a cyclic number.

It is not a de Polignac number, because 49444729 - 2¹⁷ = 49313657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49447729) 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, 602944 + ... + 603025.

It is an arithmetic number, because the mean of its divisors is an integer number (12662685).

Almost surely, 2^49444729 is an apocalyptic number.

It is an amenable number.

49444729 is a deficient number, since it is larger than the sum of its proper divisors (1206011).

49444729 is a wasteful number, since it uses less digits than its factorization.

49444729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206010.

The product of its digits is 290304, while the sum is 43.

The square root of 49444729 is about 7031.6946037211. The cubic root of 49444729 is about 367.0343128829.

The spelling of 49444729 in words is "forty-nine million, four hundred forty-four thousand, seven hundred twenty-nine".