48991783 has 2 divisors, whose sum is σ = 48991784. Its totient is φ = 48991782.

The previous prime is 48991781. The next prime is 48991819. The reversal of 48991783 is 38719984.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48991783 - 2¹ = 48991781 is a prime.

Together with 48991781, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48991781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24495891 + 24495892.

It is an arithmetic number, because the mean of its divisors is an integer number (24495892).

Almost surely, 2^48991783 is an apocalyptic number.

48991783 is a deficient number, since it is larger than the sum of its proper divisors (1).

48991783 is an equidigital number, since it uses as much as digits as its factorization.

48991783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 49.

The square root of 48991783 is about 6999.4130468204. The cubic root of 48991783 is about 365.9101150867.

It can be divided in two parts, 489917 and 83, that added together give a square (490000 = 700²).

The spelling of 48991783 in words is "forty-eight million, nine hundred ninety-one thousand, seven hundred eighty-three".