55688826445231 has 4 divisors (see below), whose sum is σ = 63644373080272. Its totient is φ = 47733279810192.

The previous prime is 55688826445211. The next prime is 55688826445297. The reversal of 55688826445231 is 13254462888655.

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 55688826445231 - 2¹³ = 55688826437039 is a prime.

It is a super-2 number, since 2×55688826445231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55688826445201) 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, 3977773317510 + ... + 3977773317523.

It is an arithmetic number, because the mean of its divisors is an integer number (15911093270068).

Almost surely, 2^{55688826445231} is an apocalyptic number.

55688826445231 is a deficient number, since it is larger than the sum of its proper divisors (7955546635041).

55688826445231 is an equidigital number, since it uses as much as digits as its factorization.

55688826445231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7955546635040.

The product of its digits is 442368000, while the sum is 67.

The spelling of 55688826445231 in words is "fifty-five trillion, six hundred eighty-eight billion, eight hundred twenty-six million, four hundred forty-five thousand, two hundred thirty-one".