49973797152 has 48 divisors (see below), whose sum is σ = 145756910880. Its totient is φ = 16657932096.

The previous prime is 49973797151. The next prime is 49973797157. The reversal of 49973797152 is 25179737994.

49973797152 is a `hidden beast` number, since 499 + 7 + 3 + 7 + 97 + 1 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×49973797152² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49973797152.

It is not an unprimeable number, because it can be changed into a prime (49973797151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28919158 + ... + 28920885.

It is an arithmetic number, because the mean of its divisors is an integer number (3036602310).

Almost surely, 2^49973797152 is an apocalyptic number.

It is an amenable number.

49973797152 is an abundant number, since it is smaller than the sum of its proper divisors (95783113728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49973797152 is a wasteful number, since it uses less digits than its factorization.

49973797152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57840062 (or 57840048 counting only the distinct ones).

The product of its digits is 30005640, while the sum is 63.

The spelling of 49973797152 in words is "forty-nine billion, nine hundred seventy-three million, seven hundred ninety-seven thousand, one hundred fifty-two".