2805553000557 has 12 divisors (see below), whose sum is σ = 4202556758400. Its totient is φ = 1870368666876.

The previous prime is 2805553000553. The next prime is 2805553000567. The reversal of 2805553000557 is 7550003555082.

It is not a de Polignac number, because 2805553000557 - 2² = 2805553000553 is a prime.

It is a super-2 number, since 2×2805553000557² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805553000553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5772742557 + ... + 5772743042.

It is an arithmetic number, because the mean of its divisors is an integer number (350213063200).

Almost surely, 2^{2805553000557} is an apocalyptic number.

2805553000557 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2805553000557 is a deficient number, since it is larger than the sum of its proper divisors (1397003757843).

2805553000557 is an equidigital number, since it uses as much as digits as its factorization.

2805553000557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11545485614 (or 11545485602 counting only the distinct ones).

The product of its (nonzero) digits is 1050000, while the sum is 45.

The spelling of 2805553000557 in words is "two trillion, eight hundred five billion, five hundred fifty-three million, five hundred fifty-seven", and thus it is an aban number.