49429997 has 2 divisors, whose sum is σ = 49429998. Its totient is φ = 49429996.

The previous prime is 49429951. The next prime is 49430047. The reversal of 49429997 is 79992494.

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., 39513796 + 9916201 = 6286^2 + 3149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49429997 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 (49429907) 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, 24714998 + 24714999.

It is an arithmetic number, because the mean of its divisors is an integer number (24714999).

Almost surely, 2^49429997 is an apocalyptic number.

It is an amenable number.

49429997 is a deficient number, since it is larger than the sum of its proper divisors (1).

49429997 is an equidigital number, since it uses as much as digits as its factorization.

49429997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 53.

The square root of 49429997 is about 7030.6469830308. The cubic root of 49429997 is about 366.9978567786.

The spelling of 49429997 in words is "forty-nine million, four hundred twenty-nine thousand, nine hundred ninety-seven".