49446521 has 2 divisors, whose sum is σ = 49446522. Its totient is φ = 49446520.

The previous prime is 49446511. The next prime is 49446563. The reversal of 49446521 is 12564494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31764496 + 17682025 = 5636^2 + 4205^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49446521 is a prime.

It is not a weakly prime, because it can be changed into another prime (49446511) 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, 24723260 + 24723261.

It is an arithmetic number, because the mean of its divisors is an integer number (24723261).

Almost surely, 2^49446521 is an apocalyptic number.

It is an amenable number.

49446521 is a deficient number, since it is larger than the sum of its proper divisors (1).

49446521 is an equidigital number, since it uses as much as digits as its factorization.

49446521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 35.

The square root of 49446521 is about 7031.8220256204. The cubic root of 49446521 is about 367.0387469083.

The spelling of 49446521 in words is "forty-nine million, four hundred forty-six thousand, five hundred twenty-one".