49891616 has 12 divisors (see below), whose sum is σ = 98224182. Its totient is φ = 24945792.

The previous prime is 49891613. The next prime is 49891691. The reversal of 49891616 is 61619894.

It can be written as a sum of positive squares in only one way, i.e., 41011216 + 8880400 = 6404^2 + 2980^2 .

It is not an unprimeable number, because it can be changed into a prime (49891613) 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 as a sum of consecutive naturals, namely, 779525 + ... + 779588.

Almost surely, 2^49891616 is an apocalyptic number.

It is an amenable number.

49891616 is a deficient number, since it is larger than the sum of its proper divisors (48332566).

49891616 is a wasteful number, since it uses less digits than its factorization.

49891616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1559123 (or 1559115 counting only the distinct ones).

The product of its digits is 93312, while the sum is 44.

The square root of 49891616 is about 7063.3997479967. The cubic root of 49891616 is about 368.1367639114.

The spelling of 49891616 in words is "forty-nine million, eight hundred ninety-one thousand, six hundred sixteen".