49754563645 has 16 divisors (see below), whose sum is σ = 60537242160. Its totient is φ = 39249391104.

The previous prime is 49754563577. The next prime is 49754563687. The reversal of 49754563645 is 54636545794.

It can be written as a sum of positive squares in 8 ways, for example, as 845471929 + 48909091716 = 29077^2 + 221154^2 .

It is a cyclic number.

It is not a de Polignac number, because 49754563645 - 2⁷ = 49754563517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49754563645.

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 15 ways as a sum of consecutive naturals, for example, 1898491 + ... + 1924519.

It is an arithmetic number, because the mean of its divisors is an integer number (3783577635).

Almost surely, 2^49754563645 is an apocalyptic number.

It is an amenable number.

49754563645 is a deficient number, since it is larger than the sum of its proper divisors (10782678515).

49754563645 is a wasteful number, since it uses less digits than its factorization.

49754563645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31344.

The product of its digits is 54432000, while the sum is 58.

The spelling of 49754563645 in words is "forty-nine billion, seven hundred fifty-four million, five hundred sixty-three thousand, six hundred forty-five".