55120896899 has 2 divisors, whose sum is σ = 55120896900. Its totient is φ = 55120896898.

The previous prime is 55120896869. The next prime is 55120896913. The reversal of 55120896899 is 99869802155.

55120896899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55120896899 - 2²⁴ = 55104119683 is a prime.

It is not a weakly prime, because it can be changed into another prime (55120896839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27560448449 + 27560448450.

It is an arithmetic number, because the mean of its divisors is an integer number (27560448450).

Almost surely, 2^55120896899 is an apocalyptic number.

55120896899 is a deficient number, since it is larger than the sum of its proper divisors (1).

55120896899 is an equidigital number, since it uses as much as digits as its factorization.

55120896899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13996800, while the sum is 62.

The spelling of 55120896899 in words is "fifty-five billion, one hundred twenty million, eight hundred ninety-six thousand, eight hundred ninety-nine".