2805553000553 has 2 divisors, whose sum is σ = 2805553000554. Its totient is φ = 2805553000552.

The previous prime is 2805553000519. The next prime is 2805553000567. The reversal of 2805553000553 is 3550003555082.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1849512961024 + 956040039529 = 1359968^2 + 977773^2 .

It is a cyclic number.

It is not a de Polignac number, because 2805553000553 - 2³⁰ = 2804479258729 is a prime.

It is a super-2 number, since 2×2805553000553² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2805553000553.

It is not a weakly prime, because it can be changed into another prime (2805553000573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1402776500276 + 1402776500277.

It is an arithmetic number, because the mean of its divisors is an integer number (1402776500277).

Almost surely, 2^{2805553000553} is an apocalyptic number.

It is an amenable number.

2805553000553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2805553000553 is an equidigital number, since it uses as much as digits as its factorization.

2805553000553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 2805553000553 in words is "two trillion, eight hundred five billion, five hundred fifty-three million, five hundred fifty-three", and thus it is an aban number.