49775807 has 2 divisors, whose sum is σ = 49775808. Its totient is φ = 49775806.

The previous prime is 49775777. The next prime is 49775809. The reversal of 49775807 is 70857794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49775807 - 2²⁴ = 32998591 is a prime.

Together with 49775809, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49775809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24887903 + 24887904.

It is an arithmetic number, because the mean of its divisors is an integer number (24887904).

Almost surely, 2^49775807 is an apocalyptic number.

49775807 is a deficient number, since it is larger than the sum of its proper divisors (1).

49775807 is an equidigital number, since it uses as much as digits as its factorization.

49775807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 493920, while the sum is 47.

The square root of 49775807 is about 7055.1971623761. The cubic root of 49775807 is about 367.8517021203.

The spelling of 49775807 in words is "forty-nine million, seven hundred seventy-five thousand, eight hundred seven".