49529819 has 2 divisors, whose sum is σ = 49529820. Its totient is φ = 49529818.

The previous prime is 49529807. The next prime is 49529839. The reversal of 49529819 is 91892594.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49529819 - 2⁴ = 49529803 is a prime.

It is a super-2 number, since 2×49529819² = 4906405940345522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49529839) 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, 24764909 + 24764910.

It is an arithmetic number, because the mean of its divisors is an integer number (24764910).

Almost surely, 2^49529819 is an apocalyptic number.

49529819 is a deficient number, since it is larger than the sum of its proper divisors (1).

49529819 is an equidigital number, since it uses as much as digits as its factorization.

49529819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 47.

The square root of 49529819 is about 7037.7424647397. The cubic root of 49529819 is about 367.2447367386.

The spelling of 49529819 in words is "forty-nine million, five hundred twenty-nine thousand, eight hundred nineteen".