49755791972 has 24 divisors (see below), whose sum is σ = 88779801600. Its totient is φ = 24392338016.

The previous prime is 49755791971. The next prime is 49755791977. The reversal of 49755791972 is 27919755794.

It is a junction number, because it is equal to n+sod(n) for n = 49755791899 and 49755791908.

It is not an unprimeable number, because it can be changed into a prime (49755791971) 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, 184847 + ... + 365622.

It is an arithmetic number, because the mean of its divisors is an integer number (3699158400).

Almost surely, 2^49755791972 is an apocalyptic number.

It is an amenable number.

49755791972 is a deficient number, since it is larger than the sum of its proper divisors (39024009628).

49755791972 is a wasteful number, since it uses less digits than its factorization.

49755791972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550915 (or 550913 counting only the distinct ones).

The product of its digits is 50009400, while the sum is 65.

The spelling of 49755791972 in words is "forty-nine billion, seven hundred fifty-five million, seven hundred ninety-one thousand, nine hundred seventy-two".