48917255931 has 24 divisors (see below), whose sum is σ = 74985150240. Its totient is φ = 30623222016.

The previous prime is 48917255867. The next prime is 48917255939. The reversal of 48917255931 is 13955271984.

It is a happy number.

48917255931 is a `hidden beast` number, since 4 + 89 + 1 + 7 + 2 + 559 + 3 + 1 = 666.

It is not a de Polignac number, because 48917255931 - 2⁶ = 48917255867 is a prime.

It is a super-2 number, since 2×48917255931² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48917255939) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 296980 + ... + 431313.

It is an arithmetic number, because the mean of its divisors is an integer number (3124381260).

Almost surely, 2^48917255931 is an apocalyptic number.

48917255931 is a deficient number, since it is larger than the sum of its proper divisors (26067894309).

48917255931 is a wasteful number, since it uses less digits than its factorization.

48917255931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728755 (or 728752 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 54.

The spelling of 48917255931 in words is "forty-eight billion, nine hundred seventeen million, two hundred fifty-five thousand, nine hundred thirty-one".