2154131055 has 12 divisors (see below), whose sum is σ = 3733827240. Its totient is φ = 1148869872.

The previous prime is 2154131041. The next prime is 2154131059. The reversal of 2154131055 is 5501314512.

2154131055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2154131055 - 2⁴ = 2154131039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154131059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23934745 + ... + 23934834.

It is an arithmetic number, because the mean of its divisors is an integer number (311152270).

Almost surely, 2^2154131055 is an apocalyptic number.

2154131055 is a deficient number, since it is larger than the sum of its proper divisors (1579696185).

2154131055 is a wasteful number, since it uses less digits than its factorization.

2154131055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47869590 (or 47869587 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 2154131055 is about 46412.6174116479. The cubic root of 2154131055 is about 1291.4889873578.

Adding to 2154131055 its reverse (5501314512), we get a palindrome (7655445567).

The spelling of 2154131055 in words is "two billion, one hundred fifty-four million, one hundred thirty-one thousand, fifty-five".