49169971 has 2 divisors, whose sum is σ = 49169972. Its totient is φ = 49169970.

The previous prime is 49169959. The next prime is 49169983. The reversal of 49169971 is 17996194.

It is a balanced prime because it is at equal distance from previous prime (49169959) and next prime (49169983).

It is a cyclic number.

It is not a de Polignac number, because 49169971 - 2⁹ = 49169459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49169171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24584985 + 24584986.

It is an arithmetic number, because the mean of its divisors is an integer number (24584986).

Almost surely, 2^49169971 is an apocalyptic number.

49169971 is a deficient number, since it is larger than the sum of its proper divisors (1).

49169971 is an equidigital number, since it uses as much as digits as its factorization.

49169971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 46.

The square root of 49169971 is about 7012.1302754584. The cubic root of 49169971 is about 366.3531955359.

The spelling of 49169971 in words is "forty-nine million, one hundred sixty-nine thousand, nine hundred seventy-one".