5505554997 has 6 divisors (see below), whose sum is σ = 7952468342. Its totient is φ = 3670369992.

The previous prime is 5505554983. The next prime is 5505555017. The reversal of 5505554997 is 7994555055.

5505554997 is a `hidden beast` number, since 5 + 5 + 0 + 5 + 5 + 549 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5037308676 + 468246321 = 70974^2 + 21639^2 .

It is not a de Polignac number, because 5505554997 - 2⁴ = 5505554981 is a prime.

It is a super-2 number, since 2×5505554997² = 60622271649983340018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5505554797) 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, 305864158 + ... + 305864175.

Almost surely, 2^5505554997 is an apocalyptic number.

It is an amenable number.

5505554997 is a deficient number, since it is larger than the sum of its proper divisors (2446913345).

5505554997 is a wasteful number, since it uses less digits than its factorization.

5505554997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611728339 (or 611728336 counting only the distinct ones).

The product of its (nonzero) digits is 7087500, while the sum is 54.

The square root of 5505554997 is about 74199.4272012931. The cubic root of 5505554997 is about 1765.7682426849.

The spelling of 5505554997 in words is "five billion, five hundred five million, five hundred fifty-four thousand, nine hundred ninety-seven".