49688547 has 4 divisors (see below), whose sum is σ = 66251400. Its totient is φ = 33125696.

The previous prime is 49688519. The next prime is 49688549. The reversal of 49688547 is 74588694.

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 49688547 - 2¹⁴ = 49672163 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49688547.

It is not an unprimeable number, because it can be changed into a prime (49688549) 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, 8281422 + ... + 8281427.

It is an arithmetic number, because the mean of its divisors is an integer number (16562850).

Almost surely, 2^49688547 is an apocalyptic number.

49688547 is a deficient number, since it is larger than the sum of its proper divisors (16562853).

49688547 is a wasteful number, since it uses less digits than its factorization.

49688547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16562852.

The product of its digits is 1935360, while the sum is 51.

The square root of 49688547 is about 7049.0103560713. The cubic root of 49688547 is about 367.6366209609.

The spelling of 49688547 in words is "forty-nine million, six hundred eighty-eight thousand, five hundred forty-seven".