49578922 has 16 divisors (see below), whose sum is σ = 78813000. Its totient is φ = 23349760.

The previous prime is 49578911. The next prime is 49578929. The reversal of 49578922 is 22987594.

49578922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 41744521 + 7834401 = 6461^2 + 2799^2 .

It is not an unprimeable number, because it can be changed into a prime (49578929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8047 + ... + 12802.

Almost surely, 2^49578922 is an apocalyptic number.

49578922 is a deficient number, since it is larger than the sum of its proper divisors (29234078).

49578922 is a wasteful number, since it uses less digits than its factorization.

49578922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20921.

The product of its digits is 362880, while the sum is 46.

The square root of 49578922 is about 7041.2301482056. The cubic root of 49578922 is about 367.3660566681.

The spelling of 49578922 in words is "forty-nine million, five hundred seventy-eight thousand, nine hundred twenty-two".