49447553 has 2 divisors, whose sum is σ = 49447554. Its totient is φ = 49447552.

The previous prime is 49447537. The next prime is 49447579. The reversal of 49447553 is 35574494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48330304 + 1117249 = 6952^2 + 1057^2 .

It is a cyclic number.

It is not a de Polignac number, because 49447553 - 2⁴ = 49447537 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49447553.

It is not a weakly prime, because it can be changed into another prime (49443553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24723776 + 24723777.

It is an arithmetic number, because the mean of its divisors is an integer number (24723777).

Almost surely, 2^49447553 is an apocalyptic number.

It is an amenable number.

49447553 is a deficient number, since it is larger than the sum of its proper divisors (1).

49447553 is an equidigital number, since it uses as much as digits as its factorization.

49447553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 302400, while the sum is 41.

The square root of 49447553 is about 7031.8954059343. The cubic root of 49447553 is about 367.0413003832.

The spelling of 49447553 in words is "forty-nine million, four hundred forty-seven thousand, five hundred fifty-three".