2055771590 has 8 divisors (see below), whose sum is σ = 3700388880. Its totient is φ = 822308632.

The previous prime is 2055771551. The next prime is 2055771593. The reversal of 2055771590 is 951775502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2055771590² = 8452393660502256200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055771593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102788570 + ... + 102788589.

It is an arithmetic number, because the mean of its divisors is an integer number (462548610).

Almost surely, 2^2055771590 is an apocalyptic number.

2055771590 is a deficient number, since it is larger than the sum of its proper divisors (1644617290).

2055771590 is a wasteful number, since it uses less digits than its factorization.

2055771590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205577166.

The product of its (nonzero) digits is 110250, while the sum is 41.

The square root of 2055771590 is about 45340.6174417597. The cubic root of 2055771590 is about 1271.5251460359.

The spelling of 2055771590 in words is "two billion, fifty-five million, seven hundred seventy-one thousand, five hundred ninety".