55468135787 has 2 divisors, whose sum is σ = 55468135788. Its totient is φ = 55468135786.

The previous prime is 55468135769. The next prime is 55468135813. The reversal of 55468135787 is 78753186455.

55468135787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55468135787 is a prime.

It is not a weakly prime, because it can be changed into another prime (55468132787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27734067893 + 27734067894.

It is an arithmetic number, because the mean of its divisors is an integer number (27734067894).

Almost surely, 2^55468135787 is an apocalyptic number.

55468135787 is a deficient number, since it is larger than the sum of its proper divisors (1).

55468135787 is an equidigital number, since it uses as much as digits as its factorization.

55468135787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28224000, while the sum is 59.

The spelling of 55468135787 in words is "fifty-five billion, four hundred sixty-eight million, one hundred thirty-five thousand, seven hundred eighty-seven".