49538019 has 8 divisors (see below), whose sum is σ = 66955792. Its totient is φ = 32572800.

The previous prime is 49538009. The next prime is 49538029. The reversal of 49538019 is 91083594.

It is an interprime number because it is at equal distance from previous prime (49538009) and next prime (49538029).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49538019 - 2²⁰ = 48489443 is a prime.

It is a super-2 number, since 2×49538019² = 4908030652888722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49538009) 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 7 ways as a sum of consecutive naturals, for example, 112882 + ... + 113319.

It is an arithmetic number, because the mean of its divisors is an integer number (8369474).

Almost surely, 2^49538019 is an apocalyptic number.

49538019 is a deficient number, since it is larger than the sum of its proper divisors (17417773).

49538019 is a wasteful number, since it uses less digits than its factorization.

49538019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226277.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 49538019 is about 7038.3250138083. The cubic root of 49538019 is about 367.2650022456.

The spelling of 49538019 in words is "forty-nine million, five hundred thirty-eight thousand, nineteen".