2056317558 has 32 divisors (see below), whose sum is σ = 4272190560. Its totient is φ = 659043840.

The previous prime is 2056317517. The next prime is 2056317559. The reversal of 2056317558 is 8557136502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056317559) 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 15 ways as a sum of consecutive naturals, for example, 17416 + ... + 66452.

It is an arithmetic number, because the mean of its divisors is an integer number (133505955).

Almost surely, 2^2056317558 is an apocalyptic number.

2056317558 is an abundant number, since it is smaller than the sum of its proper divisors (2215873002).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2056317558 is a wasteful number, since it uses less digits than its factorization.

2056317558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49312.

The product of its (nonzero) digits is 252000, while the sum is 42.

The square root of 2056317558 is about 45346.6377805455. The cubic root of 2056317558 is about 1271.6376991681.

The spelling of 2056317558 in words is "two billion, fifty-six million, three hundred seventeen thousand, five hundred fifty-eight".