49812816 has 20 divisors (see below), whose sum is σ = 128683232. Its totient is φ = 16604256.

The previous prime is 49812797. The next prime is 49812817. The reversal of 49812816 is 61821894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49812817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518836 + ... + 518931.

Almost surely, 2^49812816 is an apocalyptic number.

It is an amenable number.

49812816 is an abundant number, since it is smaller than the sum of its proper divisors (78870416).

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

49812816 is a wasteful number, since it uses less digits than its factorization.

49812816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037778 (or 1037772 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 49812816 is about 7057.8194932996. The cubic root of 49812816 is about 367.9428471419.

The spelling of 49812816 in words is "forty-nine million, eight hundred twelve thousand, eight hundred sixteen".