49144787 has 2 divisors, whose sum is σ = 49144788. Its totient is φ = 49144786.

The previous prime is 49144783. The next prime is 49144793. The reversal of 49144787 is 78744194.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49144787 - 2² = 49144783 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49144783) 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, 24572393 + 24572394.

It is an arithmetic number, because the mean of its divisors is an integer number (24572394).

Almost surely, 2^49144787 is an apocalyptic number.

49144787 is a deficient number, since it is larger than the sum of its proper divisors (1).

49144787 is an equidigital number, since it uses as much as digits as its factorization.

49144787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 44.

The square root of 49144787 is about 7010.3343001600. The cubic root of 49144787 is about 366.2906382860.

The spelling of 49144787 in words is "forty-nine million, one hundred forty-four thousand, seven hundred eighty-seven".