2053539855 has 48 divisors (see below), whose sum is σ = 3817588320. Its totient is φ = 1017978624.

The previous prime is 2053539853. The next prime is 2053539857. The reversal of 2053539855 is 5589353502.

2053539855 is a `hidden beast` number, since 2 + 0 + 535 + 39 + 85 + 5 = 666.

It is a Cunningham number, because it is equal to 45316²-1.

It is an interprime number because it is at equal distance from previous prime (2053539853) and next prime (2053539857).

It is not a de Polignac number, because 2053539855 - 2¹ = 2053539853 is a prime.

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 2053539855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053539853) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22657 + ... + 67973.

It is an arithmetic number, because the mean of its divisors is an integer number (79533090).

Almost surely, 2^2053539855 is an apocalyptic number.

2053539855 is a deficient number, since it is larger than the sum of its proper divisors (1764048465).

2053539855 is a wasteful number, since it uses less digits than its factorization.

2053539855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45400 (or 45397 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 45.

The square root of 2053539855 is about 45315.9999889664. Note that the first 4 decimals coincide. The cubic root of 2053539855 is about 1271.0648590611.

The spelling of 2053539855 in words is "two billion, fifty-three million, five hundred thirty-nine thousand, eight hundred fifty-five".