49871427 has 4 divisors (see below), whose sum is σ = 66495240. Its totient is φ = 33247616.

The previous prime is 49871411. The next prime is 49871431. The reversal of 49871427 is 72417894.

It is a happy number.

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 49871427 - 2⁴ = 49871411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49871527) 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, 8311902 + ... + 8311907.

It is an arithmetic number, because the mean of its divisors is an integer number (16623810).

Almost surely, 2^49871427 is an apocalyptic number.

49871427 is a deficient number, since it is larger than the sum of its proper divisors (16623813).

49871427 is a wasteful number, since it uses less digits than its factorization.

49871427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16623812.

The product of its digits is 112896, while the sum is 42.

The square root of 49871427 is about 7061.9704757242. The cubic root of 49871427 is about 368.0871008186.

The spelling of 49871427 in words is "forty-nine million, eight hundred seventy-one thousand, four hundred twenty-seven".