49864513 has 2 divisors, whose sum is σ = 49864514. Its totient is φ = 49864512.

The previous prime is 49864481. The next prime is 49864517. The reversal of 49864513 is 31546894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49660209 + 204304 = 7047^2 + 452^2 .

It is a cyclic number.

It is not a de Polignac number, because 49864513 - 2⁵ = 49864481 is a prime.

It is not a weakly prime, because it can be changed into another prime (49864517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24932256 + 24932257.

It is an arithmetic number, because the mean of its divisors is an integer number (24932257).

Almost surely, 2^49864513 is an apocalyptic number.

It is an amenable number.

49864513 is a deficient number, since it is larger than the sum of its proper divisors (1).

49864513 is an equidigital number, since it uses as much as digits as its factorization.

49864513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The square root of 49864513 is about 7061.4809353279. The cubic root of 49864513 is about 368.0700899303.

The spelling of 49864513 in words is "forty-nine million, eight hundred sixty-four thousand, five hundred thirteen".