48139617 has 8 divisors (see below), whose sum is σ = 65751840. Its totient is φ = 31310240.

The previous prime is 48139613. The next prime is 48139639. The reversal of 48139617 is 71693184.

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

It is a cyclic number.

It is not a de Polignac number, because 48139617 - 2² = 48139613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48139613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195567 + ... + 195812.

It is an arithmetic number, because the mean of its divisors is an integer number (8218980).

Almost surely, 2^48139617 is an apocalyptic number.

It is an amenable number.

48139617 is a deficient number, since it is larger than the sum of its proper divisors (17612223).

48139617 is a wasteful number, since it uses less digits than its factorization.

48139617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391423.

The product of its digits is 36288, while the sum is 39.

The square root of 48139617 is about 6938.2719030029. The cubic root of 48139617 is about 363.7761398770.

The spelling of 48139617 in words is "forty-eight million, one hundred thirty-nine thousand, six hundred seventeen".