49721286 has 8 divisors (see below), whose sum is σ = 99442584. Its totient is φ = 16573760.

The previous prime is 49721279. The next prime is 49721359. The reversal of 49721286 is 68212794.

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

49721286 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4143435 + ... + 4143446.

It is an arithmetic number, because the mean of its divisors is an integer number (12430323).

Almost surely, 2^49721286 is an apocalyptic number.

49721286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49721286 is a wasteful number, since it uses less digits than its factorization.

49721286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8286886.

The product of its digits is 48384, while the sum is 39.

The square root of 49721286 is about 7051.3322145535. The cubic root of 49721286 is about 367.7173465578.

The spelling of 49721286 in words is "forty-nine million, seven hundred twenty-one thousand, two hundred eighty-six".