5656220577 has 40 divisors (see below), whose sum is σ = 9775714080. Its totient is φ = 3232089000.

The previous prime is 5656220567. The next prime is 5656220621. The reversal of 5656220577 is 7750226565.

5656220577 is a `hidden beast` number, since 5 + 6 + 56 + 2 + 20 + 577 = 666.

It is not a de Polignac number, because 5656220577 - 2⁸ = 5656220321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5656220567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21202 + ... + 108452.

It is an arithmetic number, because the mean of its divisors is an integer number (244392852).

Almost surely, 2^5656220577 is an apocalyptic number.

It is an amenable number.

5656220577 is a deficient number, since it is larger than the sum of its proper divisors (4119493503).

5656220577 is an frugal number, since it uses more digits than its factorization.

5656220577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87288 (or 87261 counting only the distinct ones).

The product of its (nonzero) digits is 882000, while the sum is 45.

The square root of 5656220577 is about 75207.8491714794. The cubic root of 5656220577 is about 1781.7309023536.

The spelling of 5656220577 in words is "five billion, six hundred fifty-six million, two hundred twenty thousand, five hundred seventy-seven".