49729457 has 8 divisors (see below), whose sum is σ = 51722880. Its totient is φ = 47774160.

The previous prime is 49729417. The next prime is 49729483. The reversal of 49729457 is 75492794.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49729457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49729417) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6857 + ... + 12102.

It is an arithmetic number, because the mean of its divisors is an integer number (6465360).

Almost surely, 2^49729457 is an apocalyptic number.

It is an amenable number.

49729457 is a deficient number, since it is larger than the sum of its proper divisors (1993423).

49729457 is a wasteful number, since it uses less digits than its factorization.

49729457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19063.

The product of its digits is 635040, while the sum is 47.

The square root of 49729457 is about 7051.9115848116. The cubic root of 49729457 is about 367.7374885272.

The spelling of 49729457 in words is "forty-nine million, seven hundred twenty-nine thousand, four hundred fifty-seven".