49982578 has 16 divisors (see below), whose sum is σ = 79812000. Its totient is φ = 23408352.

The previous prime is 49982563. The next prime is 49982609. The reversal of 49982578 is 87528994.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4008 + ... + 10771.

It is an arithmetic number, because the mean of its divisors is an integer number (4988250).

Almost surely, 2^49982578 is an apocalyptic number.

49982578 is a deficient number, since it is larger than the sum of its proper divisors (29829422).

49982578 is a wasteful number, since it uses less digits than its factorization.

49982578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14889.

The product of its digits is 1451520, while the sum is 52.

The square root of 49982578 is about 7069.8357830999. The cubic root of 49982578 is about 368.3603560955.

The spelling of 49982578 in words is "forty-nine million, nine hundred eighty-two thousand, five hundred seventy-eight".