48781983 has 4 divisors (see below), whose sum is σ = 65042648. Its totient is φ = 32521320.

The previous prime is 48781981. The next prime is 48781991. The reversal of 48781983 is 38918784.

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

It is not a de Polignac number, because 48781983 - 2¹ = 48781981 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 (48781981) 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, 8130328 + ... + 8130333.

It is an arithmetic number, because the mean of its divisors is an integer number (16260662).

Almost surely, 2^48781983 is an apocalyptic number.

48781983 is a deficient number, since it is larger than the sum of its proper divisors (16260665).

48781983 is a wasteful number, since it uses less digits than its factorization.

48781983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16260664.

The product of its digits is 387072, while the sum is 48.

The square root of 48781983 is about 6984.4099965566. The cubic root of 48781983 is about 365.3870492356.

The spelling of 48781983 in words is "forty-eight million, seven hundred eighty-one thousand, nine hundred eighty-three".