55232623231 has 2 divisors, whose sum is σ = 55232623232. Its totient is φ = 55232623230.

The previous prime is 55232623217. The next prime is 55232623261. The reversal of 55232623231 is 13232623255.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55232623231 - 2¹⁵ = 55232590463 is a prime.

It is a super-2 number, since 2×55232623231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55232623261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27616311615 + 27616311616.

It is an arithmetic number, because the mean of its divisors is an integer number (27616311616).

Almost surely, 2^55232623231 is an apocalyptic number.

55232623231 is a deficient number, since it is larger than the sum of its proper divisors (1).

55232623231 is an equidigital number, since it uses as much as digits as its factorization.

55232623231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 34.

The spelling of 55232623231 in words is "fifty-five billion, two hundred thirty-two million, six hundred twenty-three thousand, two hundred thirty-one".