49578773 has 2 divisors, whose sum is σ = 49578774. Its totient is φ = 49578772.

The previous prime is 49578769. The next prime is 49578791. The reversal of 49578773 is 37787594.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31618129 + 17960644 = 5623^2 + 4238^2 .

It is a cyclic number.

It is not a de Polignac number, because 49578773 - 2² = 49578769 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 (49578673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24789386 + 24789387.

It is an arithmetic number, because the mean of its divisors is an integer number (24789387).

Almost surely, 2^49578773 is an apocalyptic number.

It is an amenable number.

49578773 is a deficient number, since it is larger than the sum of its proper divisors (1).

49578773 is an equidigital number, since it uses as much as digits as its factorization.

49578773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 50.

The square root of 49578773 is about 7041.2195676601. The cubic root of 49578773 is about 367.3656886515.

The spelling of 49578773 in words is "forty-nine million, five hundred seventy-eight thousand, seven hundred seventy-three".