2056888505 has 16 divisors (see below), whose sum is σ = 2943523584. Its totient is φ = 1349113920.

The previous prime is 2056888469. The next prime is 2056888507. The reversal of 2056888505 is 5058886502.

It is not a de Polignac number, because 2056888505 - 2²² = 2052694201 is a prime.

It is a super-2 number, since 2×2056888505² = 8461580644002270050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2056888505.

It is not an unprimeable number, because it can be changed into a prime (2056888507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1276766 + ... + 1278375.

It is an arithmetic number, because the mean of its divisors is an integer number (183970224).

Almost surely, 2^2056888505 is an apocalyptic number.

It is an amenable number.

2056888505 is a deficient number, since it is larger than the sum of its proper divisors (886635079).

2056888505 is a wasteful number, since it uses less digits than its factorization.

2056888505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555176.

The product of its (nonzero) digits is 768000, while the sum is 47.

The square root of 2056888505 is about 45352.9327056145. The cubic root of 2056888505 is about 1271.7553804962.

The spelling of 2056888505 in words is "two billion, fifty-six million, eight hundred eighty-eight thousand, five hundred five".