49957559 has 2 divisors, whose sum is σ = 49957560. Its totient is φ = 49957558.

The previous prime is 49957519. The next prime is 49957627. The reversal of 49957559 is 95575994.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49957559 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49957559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49957519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24978779 + 24978780.

It is an arithmetic number, because the mean of its divisors is an integer number (24978780).

Almost surely, 2^49957559 is an apocalyptic number.

49957559 is a deficient number, since it is larger than the sum of its proper divisors (1).

49957559 is an equidigital number, since it uses as much as digits as its factorization.

49957559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2551500, while the sum is 53.

The square root of 49957559 is about 7068.0661428710. The cubic root of 49957559 is about 368.2988843704.

The spelling of 49957559 in words is "forty-nine million, nine hundred fifty-seven thousand, five hundred fifty-nine".