54313575681 has 4 divisors (see below), whose sum is σ = 72418100912. Its totient is φ = 36209050452.

The previous prime is 54313575643. The next prime is 54313575697. The reversal of 54313575681 is 18657531345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 54313575681 - 2¹³ = 54313567489 is a prime.

It is a super-2 number, since 2×54313575681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54313575681.

It is not an unprimeable number, because it can be changed into a prime (54313505681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9052262611 + ... + 9052262616.

It is an arithmetic number, because the mean of its divisors is an integer number (18104525228).

Almost surely, 2^54313575681 is an apocalyptic number.

It is an amenable number.

54313575681 is a deficient number, since it is larger than the sum of its proper divisors (18104525231).

54313575681 is a wasteful number, since it uses less digits than its factorization.

54313575681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18104525230.

The product of its digits is 1512000, while the sum is 48.

It can be divided in two parts, 543135 and 75681, that added together give a palindrome (618816).

The spelling of 54313575681 in words is "fifty-four billion, three hundred thirteen million, five hundred seventy-five thousand, six hundred eighty-one".