48949939 has 4 divisors (see below), whose sum is σ = 49003560. Its totient is φ = 48896320.

The previous prime is 48949937. The next prime is 48949951. The reversal of 48949939 is 93994984.

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 48949939 - 2¹ = 48949937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 48949939.

It is not an unprimeable number, because it can be changed into a prime (48949933) 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, 25417 + ... + 27274.

It is an arithmetic number, because the mean of its divisors is an integer number (12250890).

Almost surely, 2^48949939 is an apocalyptic number.

48949939 is a deficient number, since it is larger than the sum of its proper divisors (53621).

48949939 is an equidigital number, since it uses as much as digits as its factorization.

48949939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53620.

The product of its digits is 2519424, while the sum is 55.

The square root of 48949939 is about 6996.4233005158. The cubic root of 48949939 is about 365.8059105100.

The spelling of 48949939 in words is "forty-eight million, nine hundred forty-nine thousand, nine hundred thirty-nine".