55468678831 has 4 divisors (see below), whose sum is σ = 58388083000. Its totient is φ = 52549274664.

The previous prime is 55468678747. The next prime is 55468678873. The reversal of 55468678831 is 13887686455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55468678831 - 2¹³ = 55468670639 is a prime.

It is a super-2 number, since 2×55468678831² (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 55468678831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55468678631) 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, 1459702056 + ... + 1459702093.

It is an arithmetic number, because the mean of its divisors is an integer number (14597020750).

Almost surely, 2^55468678831 is an apocalyptic number.

55468678831 is a deficient number, since it is larger than the sum of its proper divisors (2919404169).

55468678831 is a wasteful number, since it uses less digits than its factorization.

55468678831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919404168.

The product of its digits is 38707200, while the sum is 61.

The spelling of 55468678831 in words is "fifty-five billion, four hundred sixty-eight million, six hundred seventy-eight thousand, eight hundred thirty-one".