5655644775 has 60 divisors (see below), whose sum is σ = 11428636824. Its totient is φ = 2742120000.

The previous prime is 5655644773. The next prime is 5655644801. The reversal of 5655644775 is 5774465565.

It is a happy number.

5655644775 is a `hidden beast` number, since 5 + 6 + 5 + 564 + 4 + 7 + 75 = 666.

It is not a de Polignac number, because 5655644775 - 2¹ = 5655644773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5655644773) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 104676 + ... + 149225.

Almost surely, 2^5655644775 is an apocalyptic number.

5655644775 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5655644775 is an abundant number, since it is smaller than the sum of its proper divisors (5772992049).

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

5655644775 is a wasteful number, since it uses less digits than its factorization.

5655644775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253934 (or 253920 counting only the distinct ones).

The product of its digits is 17640000, while the sum is 54.

The square root of 5655644775 is about 75204.0210028693. The cubic root of 5655644775 is about 1781.6704403650.

The spelling of 5655644775 in words is "five billion, six hundred fifty-five million, six hundred forty-four thousand, seven hundred seventy-five".