49646573 has 2 divisors, whose sum is σ = 49646574. Its totient is φ = 49646572.

The previous prime is 49646549. The next prime is 49646591. The reversal of 49646573 is 37564694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42745444 + 6901129 = 6538^2 + 2627^2 .

It is a cyclic number.

It is not a de Polignac number, because 49646573 - 2¹⁸ = 49384429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49645573) 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, 24823286 + 24823287.

It is an arithmetic number, because the mean of its divisors is an integer number (24823287).

Almost surely, 2^49646573 is an apocalyptic number.

It is an amenable number.

49646573 is a deficient number, since it is larger than the sum of its proper divisors (1).

49646573 is an equidigital number, since it uses as much as digits as its factorization.

49646573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 44.

The square root of 49646573 is about 7046.0324296727. The cubic root of 49646573 is about 367.5330724397.

The spelling of 49646573 in words is "forty-nine million, six hundred forty-six thousand, five hundred seventy-three".