55557888863 has 2 divisors, whose sum is σ = 55557888864. Its totient is φ = 55557888862.

The previous prime is 55557888851. The next prime is 55557888899. The reversal of 55557888863 is 36888875555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55557888863 - 2¹⁰ = 55557887839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55557888793 and 55557888802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55557888803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27778944431 + 27778944432.

It is an arithmetic number, because the mean of its divisors is an integer number (27778944432).

Almost surely, 2^55557888863 is an apocalyptic number.

55557888863 is a deficient number, since it is larger than the sum of its proper divisors (1).

55557888863 is an equidigital number, since it uses as much as digits as its factorization.

55557888863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560000, while the sum is 68.

The spelling of 55557888863 in words is "fifty-five billion, five hundred fifty-seven million, eight hundred eighty-eight thousand, eight hundred sixty-three".