2055021455 has 16 divisors (see below), whose sum is σ = 2620750464. Its totient is φ = 1541583360.

The previous prime is 2055021443. The next prime is 2055021469. The reversal of 2055021455 is 5541205502.

It is not a de Polignac number, because 2055021455 - 2⁴ = 2055021439 is a prime.

It is a super-2 number, since 2×2055021455² = 8446226361020634050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21572 + ... + 67641.

It is an arithmetic number, because the mean of its divisors is an integer number (163796904).

Almost surely, 2^2055021455 is an apocalyptic number.

2055021455 is a deficient number, since it is larger than the sum of its proper divisors (565729009).

2055021455 is a wasteful number, since it uses less digits than its factorization.

2055021455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89506.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 2055021455 is about 45332.3444683815. The cubic root of 2055021455 is about 1271.3704706889.

Adding to 2055021455 its reverse (5541205502), we get a palindrome (7596226957).

The spelling of 2055021455 in words is "two billion, fifty-five million, twenty-one thousand, four hundred fifty-five".