48318993 has 24 divisors (see below), whose sum is σ = 71349408. Its totient is φ = 31502592.

The previous prime is 48318983. The next prime is 48318997. The reversal of 48318993 is 39981384.

48318993 is a `hidden beast` number, since 483 + 1 + 89 + 93 = 666.

It is not a de Polignac number, because 48318993 - 2⁸ = 48318737 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48318997) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136705 + ... + 137057.

It is an arithmetic number, because the mean of its divisors is an integer number (2972892).

Almost surely, 2^48318993 is an apocalyptic number.

It is an amenable number.

48318993 is a deficient number, since it is larger than the sum of its proper divisors (23030415).

48318993 is a wasteful number, since it uses less digits than its factorization.

48318993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 650 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 48318993 is about 6951.1864454926. The cubic root of 48318993 is about 364.2274094197.

It can be divided in two parts, 4831 and 8993, that added together give a cube (13824 = 24³).

The spelling of 48318993 in words is "forty-eight million, three hundred eighteen thousand, nine hundred ninety-three".