49578 has 8 divisors (see below), whose sum is σ = 99168. Its totient is φ = 16524.

The previous prime is 49559. The next prime is 49597. The reversal of 49578 is 87594.

It is an interprime number because it is at equal distance from previous prime (49559) and next prime (49597).

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

49578 is an admirable number.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4126 + ... + 4137.

It is an arithmetic number, because the mean of its divisors is an integer number (12396).

2⁴⁹⁵⁷⁸ is an apocalyptic number.

49578 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.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49584).

49578 is a wasteful number, since it uses less digits than its factorization.

49578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8268.

The product of its digits is 10080, while the sum is 33.

The square root of 49578 is about 222.6611775771. The cubic root of 49578 is about 36.7363779399.

The spelling of 49578 in words is "forty-nine thousand, five hundred seventy-eight".