49783 has 2 divisors, whose sum is σ = 49784. Its totient is φ = 49782.

The previous prime is 49757. The next prime is 49787. The reversal of 49783 is 38794.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49783 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24891 + 24892.

It is an arithmetic number, because the mean of its divisors is an integer number (24892).

2⁴⁹⁷⁸³ is an apocalyptic number.

49783 is a deficient number, since it is larger than the sum of its proper divisors (1).

49783 is an equidigital number, since it uses as much as digits as its factorization.

49783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 49783 is about 223.1210433823. The cubic root of 49783 is about 36.7869420432.

The spelling of 49783 in words is "forty-nine thousand, seven hundred eighty-three".