5565601551 has 8 divisors (see below), whose sum is σ = 7439880240. Its totient is φ = 3700861952.

The previous prime is 5565601519. The next prime is 5565601577. The reversal of 5565601551 is 1551065655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5565601551 - 2⁵ = 5565601519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5565601051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2383410 + ... + 2385743.

It is an arithmetic number, because the mean of its divisors is an integer number (929985030).

Almost surely, 2^5565601551 is an apocalyptic number.

5565601551 is a deficient number, since it is larger than the sum of its proper divisors (1874278689).

5565601551 is a wasteful number, since it uses less digits than its factorization.

5565601551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4769545.

The product of its (nonzero) digits is 112500, while the sum is 39.

The square root of 5565601551 is about 74602.9593984046. The cubic root of 5565601551 is about 1772.1645187906.

The spelling of 5565601551 in words is "five billion, five hundred sixty-five million, six hundred one thousand, five hundred fifty-one".