49519647 has 16 divisors (see below), whose sum is σ = 73692000. Its totient is φ = 32864832.

The previous prime is 49519627. The next prime is 49519661. The reversal of 49519647 is 74691594.

It is not a de Polignac number, because 49519647 - 2⁶ = 49519583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49519607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2179 + ... + 10187.

It is an arithmetic number, because the mean of its divisors is an integer number (4605750).

Almost surely, 2^49519647 is an apocalyptic number.

49519647 is a deficient number, since it is larger than the sum of its proper divisors (24172353).

49519647 is a wasteful number, since it uses less digits than its factorization.

49519647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8247 (or 8241 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 49519647 is about 7037.0197527078. The cubic root of 49519647 is about 367.2195945159.

The spelling of 49519647 in words is "forty-nine million, five hundred nineteen thousand, six hundred forty-seven".