2056035557 has 4 divisors (see below), whose sum is σ = 2056150656. Its totient is φ = 2055920460.

The previous prime is 2056035551. The next prime is 2056035577. The reversal of 2056035557 is 7555306502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7555306502 = 2 ⋅3777653251.

It is a cyclic number.

It is not a de Polignac number, because 2056035557 - 2⁶ = 2056035493 is a prime.

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 2056035557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056035551) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24383 + ... + 68604.

It is an arithmetic number, because the mean of its divisors is an integer number (514037664).

Almost surely, 2^2056035557 is an apocalyptic number.

It is an amenable number.

2056035557 is a deficient number, since it is larger than the sum of its proper divisors (115099).

2056035557 is an equidigital number, since it uses as much as digits as its factorization.

2056035557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115098.

The product of its (nonzero) digits is 157500, while the sum is 38.

The square root of 2056035557 is about 45343.5282813325. The cubic root of 2056035557 is about 1271.5795662052.

The spelling of 2056035557 in words is "two billion, fifty-six million, thirty-five thousand, five hundred fifty-seven".