4021577055 has 12 divisors (see below), whose sum is σ = 6970733640. Its totient is φ = 2144841072.

The previous prime is 4021577009. The next prime is 4021577093. The reversal of 4021577055 is 5507751204.

It is not a de Polignac number, because 4021577055 - 2⁷ = 4021576927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44684145 + ... + 44684234.

It is an arithmetic number, because the mean of its divisors is an integer number (580894470).

Almost surely, 2^4021577055 is an apocalyptic number.

4021577055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4021577055 is a deficient number, since it is larger than the sum of its proper divisors (2949156585).

4021577055 is a wasteful number, since it uses less digits than its factorization.

4021577055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89368390 (or 89368387 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The square root of 4021577055 is about 63415.9053786982. The cubic root of 4021577055 is about 1590.2502216856.

The spelling of 4021577055 in words is "four billion, twenty-one million, five hundred seventy-seven thousand, fifty-five".