49585813 has 2 divisors, whose sum is σ = 49585814. Its totient is φ = 49585812.

The previous prime is 49585759. The next prime is 49585817. The reversal of 49585813 is 31858594.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34786404 + 14799409 = 5898^2 + 3847^2 .

It is a cyclic number.

It is not a de Polignac number, because 49585813 - 2²⁵ = 16031381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49585813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49585817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24792906 + 24792907.

It is an arithmetic number, because the mean of its divisors is an integer number (24792907).

Almost surely, 2^49585813 is an apocalyptic number.

It is an amenable number.

49585813 is a deficient number, since it is larger than the sum of its proper divisors (1).

49585813 is an equidigital number, since it uses as much as digits as its factorization.

49585813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 43.

The square root of 49585813 is about 7041.7194633129. The cubic root of 49585813 is about 367.3830760124.

The spelling of 49585813 in words is "forty-nine million, five hundred eighty-five thousand, eight hundred thirteen".