48781663 has 4 divisors (see below), whose sum is σ = 55750480. Its totient is φ = 41812848.

The previous prime is 48781661. The next prime is 48781669. The reversal of 48781663 is 36618784.

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

It is not a de Polignac number, because 48781663 - 2¹ = 48781661 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 (48781661) 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, 3484398 + ... + 3484411.

It is an arithmetic number, because the mean of its divisors is an integer number (13937620).

Almost surely, 2^48781663 is an apocalyptic number.

48781663 is a deficient number, since it is larger than the sum of its proper divisors (6968817).

48781663 is an equidigital number, since it uses as much as digits as its factorization.

48781663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6968816.

The product of its digits is 193536, while the sum is 43.

The square root of 48781663 is about 6984.3870883564. The cubic root of 48781663 is about 365.3862502786.

The spelling of 48781663 in words is "forty-eight million, seven hundred eighty-one thousand, six hundred sixty-three".