8057555556 has 12 divisors (see below), whose sum is σ = 18800962992. Its totient is φ = 2685851848.

The previous prime is 8057555521. The next prime is 8057555563. The reversal of 8057555556 is 6555557508.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8057555499 and 8057555508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335731470 + ... + 335731493.

It is an arithmetic number, because the mean of its divisors is an integer number (1566746916).

Almost surely, 2^8057555556 is an apocalyptic number.

It is an amenable number.

8057555556 is an abundant number, since it is smaller than the sum of its proper divisors (10743407436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8057555556 is a wasteful number, since it uses less digits than its factorization.

8057555556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671462970 (or 671462968 counting only the distinct ones).

The product of its (nonzero) digits is 5250000, while the sum is 51.

The square root of 8057555556 is about 89763.8878168721. The cubic root of 8057555556 is about 2004.7848398581.

The spelling of 8057555556 in words is "eight billion, fifty-seven million, five hundred fifty-five thousand, five hundred fifty-six".