49664445 has 32 divisors (see below), whose sum is σ = 81648000. Its totient is φ = 25768704.

The previous prime is 49664411. The next prime is 49664453. The reversal of 49664445 is 54446694.

It is not a de Polignac number, because 49664445 - 2⁷ = 49664317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49664397 and 49664406.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 142131 + ... + 142479.

It is an arithmetic number, because the mean of its divisors is an integer number (2551500).

Almost surely, 2^49664445 is an apocalyptic number.

It is an amenable number.

49664445 is a deficient number, since it is larger than the sum of its proper divisors (31983555).

49664445 is a wasteful number, since it uses less digits than its factorization.

49664445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589.

The product of its digits is 414720, while the sum is 42.

The square root of 49664445 is about 7047.3005470180. The cubic root of 49664445 is about 367.5771692265.

The spelling of 49664445 in words is "forty-nine million, six hundred sixty-four thousand, four hundred forty-five".