2155150553 has 2 divisors, whose sum is σ = 2155150554. Its totient is φ = 2155150552.

The previous prime is 2155150523. The next prime is 2155150619. The reversal of 2155150553 is 3550515512.

2155150553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1660399504 + 494751049 = 40748^2 + 22243^2 .

It is a cyclic number.

It is not a de Polignac number, because 2155150553 - 2⁶ = 2155150489 is a prime.

It is not a weakly prime, because it can be changed into another prime (2155150523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077575276 + 1077575277.

It is an arithmetic number, because the mean of its divisors is an integer number (1077575277).

Almost surely, 2^2155150553 is an apocalyptic number.

It is an amenable number.

2155150553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2155150553 is an equidigital number, since it uses as much as digits as its factorization.

2155150553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18750, while the sum is 32.

The square root of 2155150553 is about 46423.5990957185. The cubic root of 2155150553 is about 1291.6926986988.

The spelling of 2155150553 in words is "two billion, one hundred fifty-five million, one hundred fifty thousand, five hundred fifty-three".