49491229 has 2 divisors, whose sum is σ = 49491230. Its totient is φ = 49491228.

The previous prime is 49491217. The next prime is 49491263. The reversal of 49491229 is 92219494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49491225 + 4 = 7035^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 49491229 - 2⁹ = 49490717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49491191 and 49491200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49491269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24745614 + 24745615.

It is an arithmetic number, because the mean of its divisors is an integer number (24745615).

Almost surely, 2^49491229 is an apocalyptic number.

It is an amenable number.

49491229 is a deficient number, since it is larger than the sum of its proper divisors (1).

49491229 is an equidigital number, since it uses as much as digits as its factorization.

49491229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 49491229 is about 7035.0002842928. Note that the first 3 decimals coincide. The cubic root of 49491229 is about 367.1493352421.

The spelling of 49491229 in words is "forty-nine million, four hundred ninety-one thousand, two hundred twenty-nine".