49659644 has 12 divisors (see below), whose sum is σ = 89707968. Its totient is φ = 24028800.

The previous prime is 49659619. The next prime is 49659653. The reversal of 49659644 is 44695694.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200117 + ... + 200364.

It is an arithmetic number, because the mean of its divisors is an integer number (7475664).

Almost surely, 2^49659644 is an apocalyptic number.

It is an amenable number.

49659644 is a deficient number, since it is larger than the sum of its proper divisors (40048324).

49659644 is a wasteful number, since it uses less digits than its factorization.

49659644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400516 (or 400514 counting only the distinct ones).

The product of its digits is 933120, while the sum is 47.

The square root of 49659644 is about 7046.9599119053. The cubic root of 49659644 is about 367.5653244359.

The spelling of 49659644 in words is "forty-nine million, six hundred fifty-nine thousand, six hundred forty-four".