49721433 has 8 divisors (see below), whose sum is σ = 66571296. Its totient is φ = 33009600.

The previous prime is 49721407. The next prime is 49721467. The reversal of 49721433 is 33412794.

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

It is not a de Polignac number, because 49721433 - 2⁹ = 49720921 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 49721394 and 49721403.

It is not an unprimeable number, because it can be changed into a prime (49721033) 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, 33663 + ... + 35108.

It is an arithmetic number, because the mean of its divisors is an integer number (8321412).

Almost surely, 2^49721433 is an apocalyptic number.

It is an amenable number.

49721433 is a deficient number, since it is larger than the sum of its proper divisors (16849863).

49721433 is a wasteful number, since it uses less digits than its factorization.

49721433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69015.

The product of its digits is 18144, while the sum is 33.

The square root of 49721433 is about 7051.3426381080. The cubic root of 49721433 is about 367.7177089405.

The spelling of 49721433 in words is "forty-nine million, seven hundred twenty-one thousand, four hundred thirty-three".