56305530655 has 8 divisors (see below), whose sum is σ = 73709058384. Its totient is φ = 40949476800.

The previous prime is 56305530637. The next prime is 56305530661. The reversal of 56305530655 is 55603550365.

56305530655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 56305530655 - 2⁹ = 56305530143 is a prime.

It is a super-2 number, since 2×56305530655² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511868406 + ... + 511868515.

It is an arithmetic number, because the mean of its divisors is an integer number (9213632298).

Almost surely, 2^56305530655 is an apocalyptic number.

56305530655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

56305530655 is a deficient number, since it is larger than the sum of its proper divisors (17403527729).

56305530655 is a wasteful number, since it uses less digits than its factorization.

56305530655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023736937.

The product of its (nonzero) digits is 1012500, while the sum is 43.

The spelling of 56305530655 in words is "fifty-six billion, three hundred five million, five hundred thirty thousand, six hundred fifty-five".