5555055564 has 18 divisors (see below), whose sum is σ = 14041946100. Its totient is φ = 1851685176.

The previous prime is 5555055563. The next prime is 5555055599. The reversal of 5555055564 is 4655505555.

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

It is not an unprimeable number, because it can be changed into a prime (5555055563) 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, 77153514 + ... + 77153585.

Almost surely, 2^5555055564 is an apocalyptic number.

It is an amenable number.

5555055564 is an abundant number, since it is smaller than the sum of its proper divisors (8486890536).

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

5555055564 is a wasteful number, since it uses less digits than its factorization.

5555055564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154307109 (or 154307104 counting only the distinct ones).

The product of its (nonzero) digits is 1875000, while the sum is 45.

The square root of 5555055564 is about 74532.2451292057. The cubic root of 5555055564 is about 1771.0444816792.

The spelling of 5555055564 in words is "five billion, five hundred fifty-five million, fifty-five thousand, five hundred sixty-four".