49807 has 2 divisors, whose sum is σ = 49808. Its totient is φ = 49806.

The previous prime is 49801. The next prime is 49811. The reversal of 49807 is 70894.

49807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49807 is a prime.

It is a Chen prime.

49807 is a lucky number.

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 (49801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24903 + 24904.

It is an arithmetic number, because the mean of its divisors is an integer number (24904).

2⁴⁹⁸⁰⁷ is an apocalyptic number.

49807 is a deficient number, since it is larger than the sum of its proper divisors (1).

49807 is an equidigital number, since it uses as much as digits as its factorization.

49807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 49807 is about 223.1748193681. The cubic root of 49807 is about 36.7928526604.

The spelling of 49807 in words is "forty-nine thousand, eight hundred seven".