48939979 has 8 divisors (see below), whose sum is σ = 55111680. Its totient is φ = 43055400.

The previous prime is 48939971. The next prime is 48939983. The reversal of 48939979 is 97993984.

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 48939979 - 2³ = 48939971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48939971) 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, 71419 + ... + 72100.

It is an arithmetic number, because the mean of its divisors is an integer number (6888960).

Almost surely, 2^48939979 is an apocalyptic number.

48939979 is a deficient number, since it is larger than the sum of its proper divisors (6171701).

48939979 is a wasteful number, since it uses less digits than its factorization.

48939979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143561.

The product of its digits is 4408992, while the sum is 58.

The square root of 48939979 is about 6995.7114720377. The cubic root of 48939979 is about 365.7810982625.

The spelling of 48939979 in words is "forty-eight million, nine hundred thirty-nine thousand, nine hundred seventy-nine".