2155545053 has 2 divisors, whose sum is σ = 2155545054. Its totient is φ = 2155545052.

The previous prime is 2155545047. The next prime is 2155545059. The reversal of 2155545053 is 3505455512.

It is a balanced prime because it is at equal distance from previous prime (2155545047) and next prime (2155545059).

It can be written as a sum of positive squares in only one way, i.e., 1215080164 + 940464889 = 34858^2 + 30667^2 .

It is a cyclic number.

It is not a de Polignac number, because 2155545053 - 2¹⁶ = 2155479517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2155545059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077772526 + 1077772527.

It is an arithmetic number, because the mean of its divisors is an integer number (1077772527).

Almost surely, 2^2155545053 is an apocalyptic number.

It is an amenable number.

2155545053 is a deficient number, since it is larger than the sum of its proper divisors (1).

2155545053 is an equidigital number, since it uses as much as digits as its factorization.

2155545053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75000, while the sum is 35.

The square root of 2155545053 is about 46427.8478178776. The cubic root of 2155545053 is about 1291.7715086115.

The spelling of 2155545053 in words is "two billion, one hundred fifty-five million, five hundred forty-five thousand, fifty-three".