2053455885 has 48 divisors (see below), whose sum is σ = 3847662000. Its totient is φ = 1007096832.

The previous prime is 2053455869. The next prime is 2053455919. The reversal of 2053455885 is 5885543502.

2053455885 is a `hidden beast` number, since 20 + 5 + 3 + 45 + 588 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 462164004 + 1591291881 = 21498^2 + 39891^2 .

It is not a de Polignac number, because 2053455885 - 2⁴ = 2053455869 is a prime.

It is a super-2 number, since 2×2053455885² = 8433362143282266450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2053455885.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 150841 + ... + 163889.

It is an arithmetic number, because the mean of its divisors is an integer number (80159625).

Almost surely, 2^2053455885 is an apocalyptic number.

It is an amenable number.

2053455885 is a deficient number, since it is larger than the sum of its proper divisors (1794206115).

2053455885 is a wasteful number, since it uses less digits than its factorization.

2053455885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13342 (or 13339 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 45.

The square root of 2053455885 is about 45315.0734855412. The cubic root of 2053455885 is about 1271.0475340551.

The spelling of 2053455885 in words is "two billion, fifty-three million, four hundred fifty-five thousand, eight hundred eighty-five".