554555045556 has 18 divisors (see below), whose sum is σ = 1401791920802. Its totient is φ = 184851681840.

The previous prime is 554555045543. The next prime is 554555045557. The reversal of 554555045556 is 655540555455.

554555045556 is a `hidden beast` number, since 5 + 5 + 45 + 5 + 5 + 0 + 45 + 556 = 666.

It can be written as a sum of positive squares in only one way, i.e., 460131588900 + 94423456656 = 678330^2 + 307284^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554555045557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7702153375 + ... + 7702153446.

Almost surely, 2^554555045556 is an apocalyptic number.

It is an amenable number.

554555045556 is an abundant number, since it is smaller than the sum of its proper divisors (847236875246).

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

554555045556 is a wasteful number, since it uses less digits than its factorization.

554555045556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15404306831 (or 15404306826 counting only the distinct ones).

The product of its (nonzero) digits is 37500000, while the sum is 54.

The spelling of 554555045556 in words is "five hundred fifty-four billion, five hundred fifty-five million, forty-five thousand, five hundred fifty-six".