49434257 has 12 divisors (see below), whose sum is σ = 53597556. Its totient is φ = 45554400.

The previous prime is 49434239. The next prime is 49434263. The reversal of 49434257 is 75243494.

49434257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33362176 + 16072081 = 5776^2 + 4009^2 .

It is not a de Polignac number, because 49434257 - 2¹⁶ = 49368721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49434257.

It is not an unprimeable number, because it can be changed into a prime (49434277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11507 + ... + 15207.

It is an arithmetic number, because the mean of its divisors is an integer number (4466463).

Almost surely, 2^49434257 is an apocalyptic number.

It is an amenable number.

49434257 is a deficient number, since it is larger than the sum of its proper divisors (4163299).

49434257 is a wasteful number, since it uses less digits than its factorization.

49434257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3776 (or 3757 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 49434257 is about 7030.9499358195. The cubic root of 49434257 is about 367.0083994049.

The spelling of 49434257 in words is "forty-nine million, four hundred thirty-four thousand, two hundred fifty-seven".