5565663477 has 12 divisors (see below), whose sum is σ = 8770136544. Its totient is φ = 3373129320.

The previous prime is 5565663443. The next prime is 5565663527. The reversal of 5565663477 is 7743665655.

5565663477 is a `hidden beast` number, since 5 + 5 + 6 + 566 + 3 + 4 + 77 = 666.

It is not a de Polignac number, because 5565663477 - 2⁶ = 5565663413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5565663427) 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 11 ways as a sum of consecutive naturals, for example, 28109313 + ... + 28109510.

It is an arithmetic number, because the mean of its divisors is an integer number (730844712).

Almost surely, 2^5565663477 is an apocalyptic number.

It is an amenable number.

5565663477 is a deficient number, since it is larger than the sum of its proper divisors (3204473067).

5565663477 is a wasteful number, since it uses less digits than its factorization.

5565663477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56218840 (or 56218837 counting only the distinct ones).

The product of its digits is 15876000, while the sum is 54.

The square root of 5565663477 is about 74603.3744344048. The cubic root of 5565663477 is about 1772.1710914645.

The spelling of 5565663477 in words is "five billion, five hundred sixty-five million, six hundred sixty-three thousand, four hundred seventy-seven".