49079971 has 2 divisors, whose sum is σ = 49079972. Its totient is φ = 49079970.

The previous prime is 49079959. The next prime is 49079981. The reversal of 49079971 is 17997094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49079971 - 2⁵ = 49079939 is a prime.

It is not a weakly prime, because it can be changed into another prime (49079941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24539985 + 24539986.

It is an arithmetic number, because the mean of its divisors is an integer number (24539986).

Almost surely, 2^49079971 is an apocalyptic number.

49079971 is a deficient number, since it is larger than the sum of its proper divisors (1).

49079971 is an equidigital number, since it uses as much as digits as its factorization.

49079971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 142884, while the sum is 46.

The square root of 49079971 is about 7005.7098855148. The cubic root of 49079971 is about 366.1295364988.

It can be divided in two parts, 4907 and 9971, that added together give a triangular number (14878 = T₁₇₂).

The spelling of 49079971 in words is "forty-nine million, seventy-nine thousand, nine hundred seventy-one".