2055005531 has 4 divisors (see below), whose sum is σ = 2121296064. Its totient is φ = 1988715000.

The previous prime is 2055005483. The next prime is 2055005573. The reversal of 2055005531 is 1355005502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2055005531 - 2¹⁰ = 2055004507 is a prime.

It is a super-2 number, since 2×2055005531² = 8446095464881183922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2055005531.

It is not an unprimeable number, because it can be changed into a prime (2055002531) 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, 33145220 + ... + 33145281.

It is an arithmetic number, because the mean of its divisors is an integer number (530324016).

Almost surely, 2^2055005531 is an apocalyptic number.

2055005531 is a deficient number, since it is larger than the sum of its proper divisors (66290533).

2055005531 is an equidigital number, since it uses as much as digits as its factorization.

2055005531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66290532.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 2055005531 is about 45332.1688318571. The cubic root of 2055005531 is about 1271.3671868050.

The spelling of 2055005531 in words is "two billion, fifty-five million, five thousand, five hundred thirty-one".