55527128863 has 2 divisors, whose sum is σ = 55527128864. Its totient is φ = 55527128862.

The previous prime is 55527128851. The next prime is 55527128927. The reversal of 55527128863 is 36882172555.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55527128863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55527128863.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55527128663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27763564431 + 27763564432.

It is an arithmetic number, because the mean of its divisors is an integer number (27763564432).

Almost surely, 2^55527128863 is an apocalyptic number.

55527128863 is a deficient number, since it is larger than the sum of its proper divisors (1).

55527128863 is an equidigital number, since it uses as much as digits as its factorization.

55527128863 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032000, while the sum is 52.

The spelling of 55527128863 in words is "fifty-five billion, five hundred twenty-seven million, one hundred twenty-eight thousand, eight hundred sixty-three".