54112520129 has 2 divisors, whose sum is σ = 54112520130. Its totient is φ = 54112520128.

The previous prime is 54112520107. The next prime is 54112520167. The reversal of 54112520129 is 92102521145.

54112520129 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., 53613087025 + 499433104 = 231545^2 + 22348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54112520129 is a prime.

It is a super-2 number, since 2×54112520129² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54112520095 and 54112520104.

It is not a weakly prime, because it can be changed into another prime (54112520729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27056260064 + 27056260065.

It is an arithmetic number, because the mean of its divisors is an integer number (27056260065).

Almost surely, 2^54112520129 is an apocalyptic number.

It is an amenable number.

54112520129 is a deficient number, since it is larger than the sum of its proper divisors (1).

54112520129 is an equidigital number, since it uses as much as digits as its factorization.

54112520129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 54112520129 in words is "fifty-four billion, one hundred twelve million, five hundred twenty thousand, one hundred twenty-nine".