5555677840 has 20 divisors (see below), whose sum is σ = 12916951164. Its totient is φ = 2222271104.

The previous prime is 5555677801. The next prime is 5555677847. The reversal of 5555677840 is 487765555.

It can be written as a sum of positive squares in 2 ways, for example, as 2417885584 + 3137792256 = 49172^2 + 56016^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (5555677847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34722907 + ... + 34723066.

Almost surely, 2^5555677840 is an apocalyptic number.

It is an amenable number.

5555677840 is an abundant number, since it is smaller than the sum of its proper divisors (7361273324).

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

5555677840 is a wasteful number, since it uses less digits than its factorization.

5555677840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69445986 (or 69445980 counting only the distinct ones).

The product of its (nonzero) digits is 5880000, while the sum is 52.

The square root of 5555677840 is about 74536.4195544701. The cubic root of 5555677840 is about 1771.1106098703.

The spelling of 5555677840 in words is "five billion, five hundred fifty-five million, six hundred seventy-seven thousand, eight hundred forty".