49816278 has 12 divisors (see below), whose sum is σ = 107935308. Its totient is φ = 16605420.

The previous prime is 49816243. The next prime is 49816297. The reversal of 49816278 is 87261894.

49816278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1383768 + ... + 1383803.

It is an arithmetic number, because the mean of its divisors is an integer number (8994609).

Almost surely, 2^49816278 is an apocalyptic number.

49816278 is an abundant number, since it is smaller than the sum of its proper divisors (58119030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49816278 is a wasteful number, since it uses less digits than its factorization.

49816278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767579 (or 2767576 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 49816278 is about 7058.0647489237. The cubic root of 49816278 is about 367.9513709766.

The spelling of 49816278 in words is "forty-nine million, eight hundred sixteen thousand, two hundred seventy-eight".