49943656 has 16 divisors (see below), whose sum is σ = 107022240. Its totient is φ = 21404400.

The previous prime is 49943653. The next prime is 49943659. The reversal of 49943656 is 65634994.

It is an interprime number because it is at equal distance from previous prime (49943653) and next prime (49943659).

It is not an unprimeable number, because it can be changed into a prime (49943653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445870 + ... + 445981.

It is an arithmetic number, because the mean of its divisors is an integer number (6688890).

Almost surely, 2^49943656 is an apocalyptic number.

It is an amenable number.

49943656 is an abundant number, since it is smaller than the sum of its proper divisors (57078584).

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

49943656 is a wasteful number, since it uses less digits than its factorization.

49943656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891864 (or 891860 counting only the distinct ones).

The product of its digits is 699840, while the sum is 46.

The square root of 49943656 is about 7067.0825663777. The cubic root of 49943656 is about 368.2647158043.

The spelling of 49943656 in words is "forty-nine million, nine hundred forty-three thousand, six hundred fifty-six".