49929829 has 2 divisors, whose sum is σ = 49929830. Its totient is φ = 49929828.

The previous prime is 49929823. The next prime is 49929863. The reversal of 49929829 is 92892994.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29408929 + 20520900 = 5423^2 + 4530^2 .

It is a cyclic number.

It is not a de Polignac number, because 49929829 - 2³ = 49929821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49929821) 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, 24964914 + 24964915.

It is an arithmetic number, because the mean of its divisors is an integer number (24964915).

Almost surely, 2^49929829 is an apocalyptic number.

It is an amenable number.

49929829 is a deficient number, since it is larger than the sum of its proper divisors (1).

49929829 is an equidigital number, since it uses as much as digits as its factorization.

49929829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 52.

The square root of 49929829 is about 7066.1042307625. The cubic root of 49929829 is about 368.2307277291.

The spelling of 49929829 in words is "forty-nine million, nine hundred twenty-nine thousand, eight hundred twenty-nine".