49778366 has 16 divisors (see below), whose sum is σ = 85743360. Its totient is φ = 21435480.

The previous prime is 49778341. The next prime is 49778383. The reversal of 49778366 is 66387794.

It is a congruent number.

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, 59126 + ... + 59961.

It is an arithmetic number, because the mean of its divisors is an integer number (5358960).

Almost surely, 2^49778366 is an apocalyptic number.

49778366 is a deficient number, since it is larger than the sum of its proper divisors (35964994).

49778366 is a wasteful number, since it uses less digits than its factorization.

49778366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119119.

The product of its digits is 1524096, while the sum is 50.

The square root of 49778366 is about 7055.3785157141. The cubic root of 49778366 is about 367.8580058277.

The spelling of 49778366 in words is "forty-nine million, seven hundred seventy-eight thousand, three hundred sixty-six".