5455538388 has 18 divisors (see below), whose sum is σ = 13790388794. Its totient is φ = 1818512784.

The previous prime is 5455538369. The next prime is 5455538393. The reversal of 5455538388 is 8838355545.

It is a happy number.

5455538388 is a `hidden beast` number, since 5 + 4 + 5 + 553 + 8 + 3 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5048386704 + 407151684 = 71052^2 + 20178^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75771331 + ... + 75771402.

Almost surely, 2^5455538388 is an apocalyptic number.

It is an amenable number.

5455538388 is an abundant number, since it is smaller than the sum of its proper divisors (8334850406).

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

5455538388 is a wasteful number, since it uses less digits than its factorization.

5455538388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151542743 (or 151542738 counting only the distinct ones).

The product of its digits is 11520000, while the sum is 54.

The square root of 5455538388 is about 73861.6164729692. The cubic root of 5455538388 is about 1760.4047781971.

The spelling of 5455538388 in words is "five billion, four hundred fifty-five million, five hundred thirty-eight thousand, three hundred eighty-eight".