48139071 has 4 divisors (see below), whose sum is σ = 64185432. Its totient is φ = 32092712.

The previous prime is 48139061. The next prime is 48139073. The reversal of 48139071 is 17093184.

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 48139071 - 2¹⁰ = 48138047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48139073) 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 3 ways as a sum of consecutive naturals, for example, 8023176 + ... + 8023181.

It is an arithmetic number, because the mean of its divisors is an integer number (16046358).

Almost surely, 2^48139071 is an apocalyptic number.

48139071 is a deficient number, since it is larger than the sum of its proper divisors (16046361).

48139071 is a wasteful number, since it uses less digits than its factorization.

48139071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16046360.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 48139071 is about 6938.2325559180. The cubic root of 48139071 is about 363.7747645543.

The spelling of 48139071 in words is "forty-eight million, one hundred thirty-nine thousand, seventy-one".