55971223067 has 2 divisors, whose sum is σ = 55971223068. Its totient is φ = 55971223066.

The previous prime is 55971223027. The next prime is 55971223109. The reversal of 55971223067 is 76032217955.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55971223067 - 2¹⁶ = 55971157531 is a prime.

It is not a weakly prime, because it can be changed into another prime (55971223027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27985611533 + 27985611534.

It is an arithmetic number, because the mean of its divisors is an integer number (27985611534).

Almost surely, 2^55971223067 is an apocalyptic number.

55971223067 is a deficient number, since it is larger than the sum of its proper divisors (1).

55971223067 is an equidigital number, since it uses as much as digits as its factorization.

55971223067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 793800, while the sum is 47.

The spelling of 55971223067 in words is "fifty-five billion, nine hundred seventy-one million, two hundred twenty-three thousand, sixty-seven".