54115129 has 2 divisors, whose sum is σ = 54115130. Its totient is φ = 54115128.

The previous prime is 54115111. The next prime is 54115141. The reversal of 54115129 is 92151145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40960000 + 13155129 = 6400^2 + 3627^2 .

It is a cyclic number.

It is not a de Polignac number, because 54115129 - 2¹⁷ = 53984057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 54115097 and 54115106.

It is not a weakly prime, because it can be changed into another prime (54115109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27057564 + 27057565.

It is an arithmetic number, because the mean of its divisors is an integer number (27057565).

Almost surely, 2^54115129 is an apocalyptic number.

It is an amenable number.

54115129 is a deficient number, since it is larger than the sum of its proper divisors (1).

54115129 is an equidigital number, since it uses as much as digits as its factorization.

54115129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 28.

The square root of 54115129 is about 7356.2985937223. The cubic root of 54115129 is about 378.2447417961.

The spelling of 54115129 in words is "fifty-four million, one hundred fifteen thousand, one hundred twenty-nine".