49980971 has 2 divisors, whose sum is σ = 49980972. Its totient is φ = 49980970.

The previous prime is 49980943. The next prime is 49980979. The reversal of 49980971 is 17908994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49980971 - 2⁶ = 49980907 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (49980979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24990485 + 24990486.

It is an arithmetic number, because the mean of its divisors is an integer number (24990486).

Almost surely, 2^49980971 is an apocalyptic number.

49980971 is a deficient number, since it is larger than the sum of its proper divisors (1).

49980971 is an equidigital number, since it uses as much as digits as its factorization.

49980971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 47.

The square root of 49980971 is about 7069.7221303245. The cubic root of 49980971 is about 368.3564083103.

The spelling of 49980971 in words is "forty-nine million, nine hundred eighty thousand, nine hundred seventy-one".