55302803009 has 2 divisors, whose sum is σ = 55302803010. Its totient is φ = 55302803008.

The previous prime is 55302802991. The next prime is 55302803011. The reversal of 55302803009 is 90030820355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55074702400 + 228100609 = 234680^2 + 15103^2 .

It is a cyclic number.

It is not a de Polignac number, because 55302803009 - 2²⁰ = 55301754433 is a prime.

It is a Sophie Germain prime.

Together with 55302803011, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55302803009.

It is not a weakly prime, because it can be changed into another prime (55302803029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27651401504 + 27651401505.

It is an arithmetic number, because the mean of its divisors is an integer number (27651401505).

Almost surely, 2^55302803009 is an apocalyptic number.

It is an amenable number.

55302803009 is a deficient number, since it is larger than the sum of its proper divisors (1).

55302803009 is an equidigital number, since it uses as much as digits as its factorization.

55302803009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 55302803009 in words is "fifty-five billion, three hundred two million, eight hundred three thousand, nine".