49957913 has 2 divisors, whose sum is σ = 49957914. Its totient is φ = 49957912.

The previous prime is 49957907. The next prime is 49957927. The reversal of 49957913 is 31975994.

49957913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40551424 + 9406489 = 6368^2 + 3067^2 .

It is a cyclic number.

It is not a de Polignac number, because 49957913 - 2⁸ = 49957657 is a prime.

It is not a weakly prime, because it can be changed into another prime (49957993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24978956 + 24978957.

It is an arithmetic number, because the mean of its divisors is an integer number (24978957).

Almost surely, 2^49957913 is an apocalyptic number.

It is an amenable number.

49957913 is a deficient number, since it is larger than the sum of its proper divisors (1).

49957913 is an equidigital number, since it uses as much as digits as its factorization.

49957913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 47.

The square root of 49957913 is about 7068.0911850372. The cubic root of 49957913 is about 368.2997542921.

The spelling of 49957913 in words is "forty-nine million, nine hundred fifty-seven thousand, nine hundred thirteen".