2056217355 has 12 divisors (see below), whose sum is σ = 3564110160. Its totient is φ = 1096649232.

The previous prime is 2056217333. The next prime is 2056217381. The reversal of 2056217355 is 5537126502.

2056217355 is a `hidden beast` number, since 20 + 5 + 621 + 7 + 3 + 5 + 5 = 666.

It is not a de Polignac number, because 2056217355 - 2⁶ = 2056217291 is a prime.

It is a super-2 number, since 2×2056217355² = 8456059622006392050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22846815 + ... + 22846904.

It is an arithmetic number, because the mean of its divisors is an integer number (297009180).

Almost surely, 2^2056217355 is an apocalyptic number.

2056217355 is a deficient number, since it is larger than the sum of its proper divisors (1507892805).

2056217355 is a wasteful number, since it uses less digits than its factorization.

2056217355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45693730 (or 45693727 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 2056217355 is about 45345.5329111920. The cubic root of 2056217355 is about 1271.6170434767.

The spelling of 2056217355 in words is "two billion, fifty-six million, two hundred seventeen thousand, three hundred fifty-five".