49657499 has 2 divisors, whose sum is σ = 49657500. Its totient is φ = 49657498.

The previous prime is 49657481. The next prime is 49657571. The reversal of 49657499 is 99475694.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49657499 is a 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 49657499.

It is not a weakly prime, because it can be changed into another prime (49657429) 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, 24828749 + 24828750.

It is an arithmetic number, because the mean of its divisors is an integer number (24828750).

Almost surely, 2^49657499 is an apocalyptic number.

49657499 is a deficient number, since it is larger than the sum of its proper divisors (1).

49657499 is an equidigital number, since it uses as much as digits as its factorization.

49657499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 53.

The square root of 49657499 is about 7046.8077169737. The cubic root of 49657499 is about 367.5600321509.

The spelling of 49657499 in words is "forty-nine million, six hundred fifty-seven thousand, four hundred ninety-nine".