49186147 has 4 divisors (see below), whose sum is σ = 49205160. Its totient is φ = 49167136.

The previous prime is 49186139. The next prime is 49186169. The reversal of 49186147 is 74168194.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74168194 = 2 ⋅37084097.

It is a cyclic number.

It is not a de Polignac number, because 49186147 - 2³ = 49186139 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49186127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4873 + ... + 11050.

It is an arithmetic number, because the mean of its divisors is an integer number (12301290).

Almost surely, 2^49186147 is an apocalyptic number.

49186147 is a deficient number, since it is larger than the sum of its proper divisors (19013).

49186147 is a wasteful number, since it uses less digits than its factorization.

49186147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19012.

The product of its digits is 48384, while the sum is 40.

The square root of 49186147 is about 7013.2836104068. The cubic root of 49186147 is about 366.3933655789.

The spelling of 49186147 in words is "forty-nine million, one hundred eighty-six thousand, one hundred forty-seven".