55893555899 has 2 divisors, whose sum is σ = 55893555900. Its totient is φ = 55893555898.

The previous prime is 55893555863. The next prime is 55893555929. The reversal of 55893555899 is 99855539855.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55893555899 is a prime.

It is not a weakly prime, because it can be changed into another prime (55893555499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27946777949 + 27946777950.

It is an arithmetic number, because the mean of its divisors is an integer number (27946777950).

Almost surely, 2^55893555899 is an apocalyptic number.

55893555899 is a deficient number, since it is larger than the sum of its proper divisors (1).

55893555899 is an equidigital number, since it uses as much as digits as its factorization.

55893555899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 437400000, while the sum is 71.

The spelling of 55893555899 in words is "fifty-five billion, eight hundred ninety-three million, five hundred fifty-five thousand, eight hundred ninety-nine".