4055521023 has 12 divisors (see below), whose sum is σ = 6112669680. Its totient is φ = 2586129216.

The previous prime is 4055521021. The next prime is 4055521033. The reversal of 4055521023 is 3201255504.

It is a happy number.

4055521023 is a `hidden beast` number, since 4 + 0 + 5 + 552 + 102 + 3 = 666.

It is not a de Polignac number, because 4055521023 - 2¹ = 4055521021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055521021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9795738 + ... + 9796151.

It is an arithmetic number, because the mean of its divisors is an integer number (509389140).

Almost surely, 2^4055521023 is an apocalyptic number.

4055521023 is a deficient number, since it is larger than the sum of its proper divisors (2057148657).

4055521023 is a wasteful number, since it uses less digits than its factorization.

4055521023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19591918 (or 19591915 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 4055521023 is about 63682.9727870802. The cubic root of 4055521023 is about 1594.7118412357.

Adding to 4055521023 its reverse (3201255504), we get a palindrome (7256776527).

The spelling of 4055521023 in words is "four billion, fifty-five million, five hundred twenty-one thousand, twenty-three".