2155050053 has 16 divisors (see below), whose sum is σ = 2446510080. Its totient is φ = 1881849024.

The previous prime is 2155050047. The next prime is 2155050083. The reversal of 2155050053 is 3500505512.

It is a cyclic number.

It is not a de Polignac number, because 2155050053 - 2¹⁴ = 2155033669 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155050043) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 175100 + ... + 187002.

It is an arithmetic number, because the mean of its divisors is an integer number (152906880).

Almost surely, 2^2155050053 is an apocalyptic number.

It is an amenable number.

2155050053 is a deficient number, since it is larger than the sum of its proper divisors (291460027).

2155050053 is a wasteful number, since it uses less digits than its factorization.

2155050053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12668.

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

The square root of 2155050053 is about 46422.5166594833. The cubic root of 2155050053 is about 1291.6726201118.

Adding to 2155050053 its reverse (3500505512), we get a palindrome (5655555565).

The spelling of 2155050053 in words is "two billion, one hundred fifty-five million, fifty thousand, fifty-three".