49089539 has 2 divisors, whose sum is σ = 49089540. Its totient is φ = 49089538.

The previous prime is 49089533. The next prime is 49089563. The reversal of 49089539 is 93598094.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49089539 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 49089493 and 49089502.

It is not a weakly prime, because it can be changed into another prime (49089533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24544769 + 24544770.

It is an arithmetic number, because the mean of its divisors is an integer number (24544770).

Almost surely, 2^49089539 is an apocalyptic number.

49089539 is a deficient number, since it is larger than the sum of its proper divisors (1).

49089539 is an equidigital number, since it uses as much as digits as its factorization.

49089539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 49089539 is about 7006.3927237916. The cubic root of 49089539 is about 366.1533269217.

The spelling of 49089539 in words is "forty-nine million, eighty-nine thousand, five hundred thirty-nine".