49920229 has 2 divisors, whose sum is σ = 49920230. Its totient is φ = 49920228.

The previous prime is 49920203. The next prime is 49920253. The reversal of 49920229 is 92202994.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38155329 + 11764900 = 6177^2 + 3430^2 .

It is a cyclic number.

It is not a de Polignac number, because 49920229 - 2²³ = 41531621 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49920259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24960114 + 24960115.

It is an arithmetic number, because the mean of its divisors is an integer number (24960115).

Almost surely, 2^49920229 is an apocalyptic number.

It is an amenable number.

49920229 is a deficient number, since it is larger than the sum of its proper divisors (1).

49920229 is an equidigital number, since it uses as much as digits as its factorization.

49920229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 49920229 is about 7065.4248987587. The cubic root of 49920229 is about 368.2071263293.

The spelling of 49920229 in words is "forty-nine million, nine hundred twenty thousand, two hundred twenty-nine".