56055011005565 has 96 divisors (see below), whose sum is σ = 86705436182400. Its totient is φ = 34421400921600.

The previous prime is 56055011005547. The next prime is 56055011005597. The reversal of 56055011005565 is 56550011055065.

It is not a de Polignac number, because 56055011005565 - 2⁸ = 56055011005309 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2133851 + ... + 10801080.

It is an arithmetic number, because the mean of its divisors is an integer number (903181626900).

Almost surely, 2^{56055011005565} is an apocalyptic number.

56055011005565 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56055011005565 is a deficient number, since it is larger than the sum of its proper divisors (30650425176835).

56055011005565 is a wasteful number, since it uses less digits than its factorization.

56055011005565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12935019 (or 12935008 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 44.

The spelling of 56055011005565 in words is "fifty-six trillion, fifty-five billion, eleven million, five thousand, five hundred sixty-five".