49778126 has 8 divisors (see below), whose sum is σ = 77075904. Its totient is φ = 24086160.

The previous prime is 49778089. The next prime is 49778143. The reversal of 49778126 is 62187794.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 401375 + ... + 401498.

It is an arithmetic number, because the mean of its divisors is an integer number (9634488).

Almost surely, 2^49778126 is an apocalyptic number.

49778126 is a deficient number, since it is larger than the sum of its proper divisors (27297778).

49778126 is a wasteful number, since it uses less digits than its factorization.

49778126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802906.

The product of its digits is 169344, while the sum is 44.

The square root of 49778126 is about 7055.3615073928. The cubic root of 49778126 is about 367.8574146334.

The spelling of 49778126 in words is "forty-nine million, seven hundred seventy-eight thousand, one hundred twenty-six".