49891012 has 6 divisors (see below), whose sum is σ = 87309278. Its totient is φ = 24945504.

The previous prime is 49891003. The next prime is 49891027. The reversal of 49891012 is 21019894.

49891012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39740416 + 10150596 = 6304^2 + 3186^2 .

It is a super-2 number, since 2×49891012² = 4978226156768288, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 6236373 + ... + 6236380.

Almost surely, 2^49891012 is an apocalyptic number.

It is an amenable number.

49891012 is a deficient number, since it is larger than the sum of its proper divisors (37418266).

49891012 is a wasteful number, since it uses less digits than its factorization.

49891012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12472757 (or 12472755 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 49891012 is about 7063.3569922523. The cubic root of 49891012 is about 368.1352783211.

The spelling of 49891012 in words is "forty-nine million, eight hundred ninety-one thousand, twelve".