5565552645 has 16 divisors (see below), whose sum is σ = 8915518080. Its totient is φ = 2964750144.

The previous prime is 5565552613. The next prime is 5565552653. The reversal of 5565552645 is 5462555655.

It is not a de Polignac number, because 5565552645 - 2⁵ = 5565552613 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5565552594 and 5565552603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208534 + ... + 233703.

It is an arithmetic number, because the mean of its divisors is an integer number (557219880).

Almost surely, 2^5565552645 is an apocalyptic number.

It is an amenable number.

5565552645 is a deficient number, since it is larger than the sum of its proper divisors (3349965435).

5565552645 is a wasteful number, since it uses less digits than its factorization.

5565552645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443084.

The product of its digits is 4500000, while the sum is 48.

The square root of 5565552645 is about 74602.6316224837. The cubic root of 5565552645 is about 1772.1593279931.

The spelling of 5565552645 in words is "five billion, five hundred sixty-five million, five hundred fifty-two thousand, six hundred forty-five".