49665271 has 2 divisors, whose sum is σ = 49665272. Its totient is φ = 49665270.

The previous prime is 49665263. The next prime is 49665277. The reversal of 49665271 is 17256694.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49665271 - 2³ = 49665263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49665277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24832635 + 24832636.

It is an arithmetic number, because the mean of its divisors is an integer number (24832636).

Almost surely, 2^49665271 is an apocalyptic number.

49665271 is a deficient number, since it is larger than the sum of its proper divisors (1).

49665271 is an equidigital number, since it uses as much as digits as its factorization.

49665271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 49665271 is about 7047.3591507741. The cubic root of 49665271 is about 367.5792070161.

The spelling of 49665271 in words is "forty-nine million, six hundred sixty-five thousand, two hundred seventy-one".