54578129 has 2 divisors, whose sum is σ = 54578130. Its totient is φ = 54578128.

The previous prime is 54578119. The next prime is 54578131. The reversal of 54578129 is 92187545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46444225 + 8133904 = 6815^2 + 2852^2 .

It is a cyclic number.

It is not a de Polignac number, because 54578129 - 2⁴ = 54578113 is a prime.

It is a Sophie Germain prime.

Together with 54578131, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (54578119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27289064 + 27289065.

It is an arithmetic number, because the mean of its divisors is an integer number (27289065).

Almost surely, 2^54578129 is an apocalyptic number.

It is an amenable number.

54578129 is a deficient number, since it is larger than the sum of its proper divisors (1).

54578129 is an equidigital number, since it uses as much as digits as its factorization.

54578129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 41.

The square root of 54578129 is about 7387.7011986138. The cubic root of 54578129 is about 379.3204127831.

The spelling of 54578129 in words is "fifty-four million, five hundred seventy-eight thousand, one hundred twenty-nine".