55232623261 has 2 divisors, whose sum is σ = 55232623262. Its totient is φ = 55232623260.

The previous prime is 55232623231. The next prime is 55232623279. The reversal of 55232623261 is 16232623255.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43328504025 + 11904119236 = 208155^2 + 109106^2 .

It is a cyclic number.

It is not a de Polignac number, because 55232623261 - 2⁷ = 55232623133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55232623261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55232623231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27616311630 + 27616311631.

It is an arithmetic number, because the mean of its divisors is an integer number (27616311631).

Almost surely, 2^55232623261 is an apocalyptic number.

It is an amenable number.

55232623261 is a deficient number, since it is larger than the sum of its proper divisors (1).

55232623261 is an equidigital number, since it uses as much as digits as its factorization.

55232623261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 37.

The spelling of 55232623261 in words is "fifty-five billion, two hundred thirty-two million, six hundred twenty-three thousand, two hundred sixty-one".