54132709 has 4 divisors (see below), whose sum is σ = 57317004. Its totient is φ = 50948416.

The previous prime is 54132707. The next prime is 54132713. The reversal of 54132709 is 90723145.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15382084 + 38750625 = 3922^2 + 6225^2 .

It is a cyclic number.

It is not a de Polignac number, because 54132709 - 2¹ = 54132707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54132703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1592122 + ... + 1592155.

It is an arithmetic number, because the mean of its divisors is an integer number (14329251).

Almost surely, 2^54132709 is an apocalyptic number.

It is an amenable number.

54132709 is a deficient number, since it is larger than the sum of its proper divisors (3184295).

54132709 is a wasteful number, since it uses less digits than its factorization.

54132709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3184294.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 54132709 is about 7357.4933910946. The cubic root of 54132709 is about 378.2856965947.

The spelling of 54132709 in words is "fifty-four million, one hundred thirty-two thousand, seven hundred nine".