49848109 has 2 divisors, whose sum is σ = 49848110. Its totient is φ = 49848108.

The previous prime is 49848091. The next prime is 49848133. The reversal of 49848109 is 90184894.

Together with previous prime (49848091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48692484 + 1155625 = 6978^2 + 1075^2 .

It is a cyclic number.

It is not a de Polignac number, because 49848109 - 2⁷ = 49847981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49888109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24924054 + 24924055.

It is an arithmetic number, because the mean of its divisors is an integer number (24924055).

Almost surely, 2^49848109 is an apocalyptic number.

It is an amenable number.

49848109 is a deficient number, since it is larger than the sum of its proper divisors (1).

49848109 is an equidigital number, since it uses as much as digits as its factorization.

49848109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 49848109 is about 7060.3193270560. The cubic root of 49848109 is about 368.0297239893.

The spelling of 49848109 in words is "forty-nine million, eight hundred forty-eight thousand, one hundred nine".