49794578 has 8 divisors (see below), whose sum is σ = 75109680. Its totient is φ = 24758020.

The previous prime is 49794571. The next prime is 49794583. The reversal of 49794578 is 87549794.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49794571) 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, 69188 + ... + 69903.

It is an arithmetic number, because the mean of its divisors is an integer number (9388710).

Almost surely, 2^49794578 is an apocalyptic number.

49794578 is a deficient number, since it is larger than the sum of its proper divisors (25315102).

49794578 is a wasteful number, since it uses less digits than its factorization.

49794578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139272.

The product of its digits is 2540160, while the sum is 53.

The square root of 49794578 is about 7056.5273329025. The cubic root of 49794578 is about 367.8979366059.

The spelling of 49794578 in words is "forty-nine million, seven hundred ninety-four thousand, five hundred seventy-eight".