49997039 has 2 divisors, whose sum is σ = 49997040. Its totient is φ = 49997038.

The previous prime is 49997033. The next prime is 49997041. The reversal of 49997039 is 93079994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49997039 - 2⁴ = 49997023 is a prime.

It is a super-3 number, since 3×49997039³ (a number of 24 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 49997041, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49997033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24998519 + 24998520.

It is an arithmetic number, because the mean of its divisors is an integer number (24998520).

Almost surely, 2^49997039 is an apocalyptic number.

49997039 is a deficient number, since it is larger than the sum of its proper divisors (1).

49997039 is an equidigital number, since it uses as much as digits as its factorization.

49997039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 551124, while the sum is 50.

The square root of 49997039 is about 7070.8584344477. The cubic root of 49997039 is about 368.3958774423.

The spelling of 49997039 in words is "forty-nine million, nine hundred ninety-seven thousand, thirty-nine".