49551785644 has 12 divisors (see below), whose sum is σ = 88732267624. Its totient is φ = 24199709184.

The previous prime is 49551785641. The next prime is 49551785659. The reversal of 49551785644 is 44658715594.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (49551785641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144045717 + ... + 144046060.

Almost surely, 2^49551785644 is an apocalyptic number.

It is an amenable number.

49551785644 is a deficient number, since it is larger than the sum of its proper divisors (39180481980).

49551785644 is a wasteful number, since it uses less digits than its factorization.

49551785644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288091824 (or 288091822 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 58.

The spelling of 49551785644 in words is "forty-nine billion, five hundred fifty-one million, seven hundred eighty-five thousand, six hundred forty-four".