49175729 has 2 divisors, whose sum is σ = 49175730. Its totient is φ = 49175728.

The previous prime is 49175681. The next prime is 49175741. The reversal of 49175729 is 92757194.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38626225 + 10549504 = 6215^2 + 3248^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49175729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49175729.

It is not a weakly prime, because it can be changed into another prime (49175759) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24587864 + 24587865.

It is an arithmetic number, because the mean of its divisors is an integer number (24587865).

Almost surely, 2^49175729 is an apocalyptic number.

It is an amenable number.

49175729 is a deficient number, since it is larger than the sum of its proper divisors (1).

49175729 is an equidigital number, since it uses as much as digits as its factorization.

49175729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 44.

The square root of 49175729 is about 7012.5408376708. The cubic root of 49175729 is about 366.3674954519.

The spelling of 49175729 in words is "forty-nine million, one hundred seventy-five thousand, seven hundred twenty-nine".