49851229 has 2 divisors, whose sum is σ = 49851230. Its totient is φ = 49851228.

The previous prime is 49851223. The next prime is 49851251. The reversal of 49851229 is 92215894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36905625 + 12945604 = 6075^2 + 3598^2 .

It is a cyclic number.

It is not a de Polignac number, because 49851229 - 2¹¹ = 49849181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49851191 and 49851200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49851223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24925614 + 24925615.

It is an arithmetic number, because the mean of its divisors is an integer number (24925615).

Almost surely, 2^49851229 is an apocalyptic number.

It is an amenable number.

49851229 is a deficient number, since it is larger than the sum of its proper divisors (1).

49851229 is an equidigital number, since it uses as much as digits as its factorization.

49851229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 40.

The square root of 49851229 is about 7060.5402767777. The cubic root of 49851229 is about 368.0374021728.

The spelling of 49851229 in words is "forty-nine million, eight hundred fifty-one thousand, two hundred twenty-nine".