53813775831 has 8 divisors (see below), whose sum is σ = 71781105264. Its totient is φ = 35861148480.

The previous prime is 53813775817. The next prime is 53813775853. The reversal of 53813775831 is 13857731835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53813775831 - 2⁶ = 53813775767 is a prime.

It is a super-2 number, since 2×53813775831² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53813775811) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3666976 + ... + 3681621.

It is an arithmetic number, because the mean of its divisors is an integer number (8972638158).

Almost surely, 2^53813775831 is an apocalyptic number.

53813775831 is a deficient number, since it is larger than the sum of its proper divisors (17967329433).

53813775831 is a wasteful number, since it uses less digits than its factorization.

53813775831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351041.

The product of its digits is 2116800, while the sum is 51.

The spelling of 53813775831 in words is "fifty-three billion, eight hundred thirteen million, seven hundred seventy-five thousand, eight hundred thirty-one".