49539773 has 2 divisors, whose sum is σ = 49539774. Its totient is φ = 49539772.

The previous prime is 49539757. The next prime is 49539797. The reversal of 49539773 is 37793594.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49182169 + 357604 = 7013^2 + 598^2 .

It is a cyclic number.

It is not a de Polignac number, because 49539773 - 2⁴ = 49539757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49539703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24769886 + 24769887.

It is an arithmetic number, because the mean of its divisors is an integer number (24769887).

Almost surely, 2^49539773 is an apocalyptic number.

It is an amenable number.

49539773 is a deficient number, since it is larger than the sum of its proper divisors (1).

49539773 is an equidigital number, since it uses as much as digits as its factorization.

49539773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 714420, while the sum is 47.

The square root of 49539773 is about 7038.4496162152. The cubic root of 49539773 is about 367.2693367966.

The spelling of 49539773 in words is "forty-nine million, five hundred thirty-nine thousand, seven hundred seventy-three".