48399013 has 4 divisors (see below), whose sum is σ = 52122028. Its totient is φ = 44676000.

The previous prime is 48398981. The next prime is 48399019. The reversal of 48399013 is 31099384.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9872164 + 38526849 = 3142^2 + 6207^2 .

It is a cyclic number.

It is not a de Polignac number, because 48399013 - 2⁵ = 48398981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48399019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1861488 + ... + 1861513.

It is an arithmetic number, because the mean of its divisors is an integer number (13030507).

Almost surely, 2^48399013 is an apocalyptic number.

It is an amenable number.

48399013 is a deficient number, since it is larger than the sum of its proper divisors (3723015).

48399013 is a wasteful number, since it uses less digits than its factorization.

48399013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723014.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 48399013 is about 6956.9399163713. The cubic root of 48399013 is about 364.4283614762.

The spelling of 48399013 in words is "forty-eight million, three hundred ninety-nine thousand, thirteen".