2056503897 has 32 divisors (see below), whose sum is σ = 3524924160. Its totient is φ = 1175136336.

The previous prime is 2056503877. The next prime is 2056503913. The reversal of 2056503897 is 7983056502.

It is a happy number.

2056503897 is a `hidden beast` number, since 2 + 0 + 56 + 503 + 8 + 97 = 666.

It is not a de Polignac number, because 2056503897 - 2⁶ = 2056503833 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2056503877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51858 + ... + 82475.

It is an arithmetic number, because the mean of its divisors is an integer number (110153880).

Almost surely, 2^2056503897 is an apocalyptic number.

2056503897 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2056503897 is a deficient number, since it is larger than the sum of its proper divisors (1468420263).

2056503897 is an frugal number, since it uses more digits than its factorization.

2056503897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134361 (or 134343 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 2056503897 is about 45348.6923405736. The cubic root of 2056503897 is about 1271.6761090170.

The spelling of 2056503897 in words is "two billion, fifty-six million, five hundred three thousand, eight hundred ninety-seven".