55616006231 has 2 divisors, whose sum is σ = 55616006232. Its totient is φ = 55616006230.

The previous prime is 55616006191. The next prime is 55616006239. The reversal of 55616006231 is 13260061655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55616006231 - 2⁶ = 55616006167 is a prime.

It is a super-2 number, since 2×55616006231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55616006191 and 55616006200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55616006239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27808003115 + 27808003116.

It is an arithmetic number, because the mean of its divisors is an integer number (27808003116).

Almost surely, 2^55616006231 is an apocalyptic number.

55616006231 is a deficient number, since it is larger than the sum of its proper divisors (1).

55616006231 is an equidigital number, since it uses as much as digits as its factorization.

55616006231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 55616006231 its reverse (13260061655), we get a palindrome (68876067886).

The spelling of 55616006231 in words is "fifty-five billion, six hundred sixteen million, six thousand, two hundred thirty-one".