54342129 has 4 divisors (see below), whose sum is σ = 72456176. Its totient is φ = 36228084.

The previous prime is 54342107. The next prime is 54342139. The reversal of 54342129 is 92124345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 54342129 - 2¹⁵ = 54309361 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 54342096 and 54342105.

It is not an unprimeable number, because it can be changed into a prime (54342139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9057019 + ... + 9057024.

It is an arithmetic number, because the mean of its divisors is an integer number (18114044).

Almost surely, 2^54342129 is an apocalyptic number.

It is an amenable number.

54342129 is a deficient number, since it is larger than the sum of its proper divisors (18114047).

54342129 is a wasteful number, since it uses less digits than its factorization.

54342129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18114046.

The product of its digits is 8640, while the sum is 30.

The square root of 54342129 is about 7371.7114023814. The cubic root of 54342129 is about 378.7728860246.

The spelling of 54342129 in words is "fifty-four million, three hundred forty-two thousand, one hundred twenty-nine".