49778212 has 12 divisors (see below), whose sum is σ = 95031216. Its totient is φ = 22626440.

The previous prime is 49778177. The next prime is 49778213. The reversal of 49778212 is 21287794.

It is not an unprimeable number, because it can be changed into a prime (49778213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565618 + ... + 565705.

It is an arithmetic number, because the mean of its divisors is an integer number (7919268).

Almost surely, 2^49778212 is an apocalyptic number.

It is an amenable number.

49778212 is a deficient number, since it is larger than the sum of its proper divisors (45253004).

49778212 is a wasteful number, since it uses less digits than its factorization.

49778212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131338 (or 1131336 counting only the distinct ones).

The product of its digits is 56448, while the sum is 40.

The square root of 49778212 is about 7055.3676020460. The cubic root of 49778212 is about 367.8576264782.

It can be divided in two parts, 497782 and 12, that added together give a palindrome (497794).

The spelling of 49778212 in words is "forty-nine million, seven hundred seventy-eight thousand, two hundred twelve".