49953149 has 2 divisors, whose sum is σ = 49953150. Its totient is φ = 49953148.

The previous prime is 49953139. The next prime is 49953181. The reversal of 49953149 is 94135994.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43099225 + 6853924 = 6565^2 + 2618^2 .

It is a cyclic number.

It is not a de Polignac number, because 49953149 - 2⁴ = 49953133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49953139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24976574 + 24976575.

It is an arithmetic number, because the mean of its divisors is an integer number (24976575).

Almost surely, 2^49953149 is an apocalyptic number.

It is an amenable number.

49953149 is a deficient number, since it is larger than the sum of its proper divisors (1).

49953149 is an equidigital number, since it uses as much as digits as its factorization.

49953149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 44.

The square root of 49953149 is about 7067.7541694657. The cubic root of 49953149 is about 368.2880468655.

The spelling of 49953149 in words is "forty-nine million, nine hundred fifty-three thousand, one hundred forty-nine".