49947459 has 4 divisors (see below), whose sum is σ = 66596616. Its totient is φ = 33298304.

The previous prime is 49947451. The next prime is 49947463. The reversal of 49947459 is 95474994.

It is a happy number.

49947459 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.

It is a cyclic number.

It is not a de Polignac number, because 49947459 - 2³ = 49947451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49947451) 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, 8324574 + ... + 8324579.

It is an arithmetic number, because the mean of its divisors is an integer number (16649154).

Almost surely, 2^49947459 is an apocalyptic number.

49947459 is a deficient number, since it is larger than the sum of its proper divisors (16649157).

49947459 is a wasteful number, since it uses less digits than its factorization.

49947459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16649156.

The product of its digits is 1632960, while the sum is 51.

The square root of 49947459 is about 7067.3516256091. The cubic root of 49947459 is about 368.2740628384.

The spelling of 49947459 in words is "forty-nine million, nine hundred forty-seven thousand, four hundred fifty-nine".