49517971 has 8 divisors (see below), whose sum is σ = 52632320. Its totient is φ = 46454472.

The previous prime is 49517969. The next prime is 49517981. The reversal of 49517971 is 17971594.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49517971 - 2¹ = 49517969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49517921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10695 + ... + 14608.

It is an arithmetic number, because the mean of its divisors is an integer number (6579040).

Almost surely, 2^49517971 is an apocalyptic number.

49517971 is a deficient number, since it is larger than the sum of its proper divisors (3114349).

49517971 is a wasteful number, since it uses less digits than its factorization.

49517971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25425.

The product of its digits is 79380, while the sum is 43.

The square root of 49517971 is about 7036.9006671972. The cubic root of 49517971 is about 367.2154516015.

The spelling of 49517971 in words is "forty-nine million, five hundred seventeen thousand, nine hundred seventy-one".