49812971 has 4 divisors (see below), whose sum is σ = 53644752. Its totient is φ = 45981192.

The previous prime is 49812967. The next prime is 49812977. The reversal of 49812971 is 17921894.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49812971 - 2² = 49812967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49812977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1915871 + ... + 1915896.

It is an arithmetic number, because the mean of its divisors is an integer number (13411188).

Almost surely, 2^49812971 is an apocalyptic number.

49812971 is a deficient number, since it is larger than the sum of its proper divisors (3831781).

49812971 is a wasteful number, since it uses less digits than its factorization.

49812971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831780.

The product of its digits is 36288, while the sum is 41.

The square root of 49812971 is about 7057.8304740196. The cubic root of 49812971 is about 367.9432287778.

The spelling of 49812971 in words is "forty-nine million, eight hundred twelve thousand, nine hundred seventy-one".