49329257 has 4 divisors (see below), whose sum is σ = 52230996. Its totient is φ = 46427520.

The previous prime is 49329211. The next prime is 49329271. The reversal of 49329257 is 75292394.

49329257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75292394 = 2 ⋅37646197.

It can be written as a sum of positive squares in 2 ways, for example, as 31147561 + 18181696 = 5581^2 + 4264^2 .

It is a cyclic number.

It is not a de Polignac number, because 49329257 - 2⁶ = 49329193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49829257) 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 3 ways as a sum of consecutive naturals, for example, 1450844 + ... + 1450877.

It is an arithmetic number, because the mean of its divisors is an integer number (13057749).

Almost surely, 2^49329257 is an apocalyptic number.

It is an amenable number.

49329257 is a deficient number, since it is larger than the sum of its proper divisors (2901739).

49329257 is a wasteful number, since it uses less digits than its factorization.

49329257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901738.

The product of its digits is 136080, while the sum is 41.

The square root of 49329257 is about 7023.4789812457. The cubic root of 49329257 is about 366.7483692129.

The spelling of 49329257 in words is "forty-nine million, three hundred twenty-nine thousand, two hundred fifty-seven".