49211644 has 24 divisors (see below), whose sum is σ = 89124336. Its totient is φ = 23760000.

The previous prime is 49211641. The next prime is 49211671. The reversal of 49211644 is 44611294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49211641) 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 7 ways as a sum of consecutive naturals, for example, 15079 + ... + 18049.

It is an arithmetic number, because the mean of its divisors is an integer number (3713514).

Almost surely, 2^49211644 is an apocalyptic number.

It is an amenable number.

49211644 is a deficient number, since it is larger than the sum of its proper divisors (39912692).

49211644 is a wasteful number, since it uses less digits than its factorization.

49211644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3117 (or 3115 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 49211644 is about 7015.1011396843. The cubic root of 49211644 is about 366.4566646883.

The spelling of 49211644 in words is "forty-nine million, two hundred eleven thousand, six hundred forty-four".