48518993 has 4 divisors (see below), whose sum is σ = 49551360. Its totient is φ = 47486628.

The previous prime is 48518971. The next prime is 48519047. The reversal of 48518993 is 39981584.

48518993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 48518993 - 2⁶ = 48518929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 1032319 = 48518993 / (4 + 8 + 5 + 1 + 8 + 9 + 9 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48518593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516113 + ... + 516206.

It is an arithmetic number, because the mean of its divisors is an integer number (12387840).

Almost surely, 2^48518993 is an apocalyptic number.

It is an amenable number.

48518993 is a deficient number, since it is larger than the sum of its proper divisors (1032367).

48518993 is a wasteful number, since it uses less digits than its factorization.

48518993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032366.

The product of its digits is 311040, while the sum is 47.

The square root of 48518993 is about 6965.5576230478. The cubic root of 48518993 is about 364.7292493899.

The spelling of 48518993 in words is "forty-eight million, five hundred eighteen thousand, nine hundred ninety-three".