54535609 has 8 divisors (see below), whose sum is σ = 57813480. Its totient is φ = 51265536.

The previous prime is 54535601. The next prime is 54535627. The reversal of 54535609 is 90653545.

It can be written as a sum of positive squares in 4 ways, for example, as 3341584 + 51194025 = 1828^2 + 7155^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54535609 - 2³ = 54535601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54535601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18937 + ... + 21625.

It is an arithmetic number, because the mean of its divisors is an integer number (7226685).

Almost surely, 2^54535609 is an apocalyptic number.

It is an amenable number.

54535609 is a deficient number, since it is larger than the sum of its proper divisors (3277871).

54535609 is a wasteful number, since it uses less digits than its factorization.

54535609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3899.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 54535609 is about 7384.8228821008. The cubic root of 54535609 is about 379.2218818972.

The spelling of 54535609 in words is "fifty-four million, five hundred thirty-five thousand, six hundred nine".