49547919 has 4 divisors (see below), whose sum is σ = 66063896. Its totient is φ = 33031944.

The previous prime is 49547903. The next prime is 49547933. The reversal of 49547919 is 91974594.

49547919 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 not a de Polignac number, because 49547919 - 2⁴ = 49547903 is a prime.

It is a super-2 number, since 2×49547919² = 4909992554461122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49546919) 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, 8257984 + ... + 8257989.

It is an arithmetic number, because the mean of its divisors is an integer number (16515974).

Almost surely, 2^49547919 is an apocalyptic number.

49547919 is a deficient number, since it is larger than the sum of its proper divisors (16515977).

49547919 is a wasteful number, since it uses less digits than its factorization.

49547919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16515976.

The product of its digits is 408240, while the sum is 48.

The square root of 49547919 is about 7039.0282710045. The cubic root of 49547919 is about 367.2894661584.

The spelling of 49547919 in words is "forty-nine million, five hundred forty-seven thousand, nine hundred nineteen".