53973609 has 8 divisors (see below), whose sum is σ = 72266880. Its totient is φ = 35831376.

The previous prime is 53973607. The next prime is 53973631. The reversal of 53973609 is 90637935.

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

It is not a de Polignac number, because 53973609 - 2¹ = 53973607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53973607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36922 + ... + 38355.

It is an arithmetic number, because the mean of its divisors is an integer number (9033360).

Almost surely, 2^53973609 is an apocalyptic number.

It is an amenable number.

53973609 is a deficient number, since it is larger than the sum of its proper divisors (18293271).

53973609 is a wasteful number, since it uses less digits than its factorization.

53973609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75519.

The product of its (nonzero) digits is 153090, while the sum is 42.

The square root of 53973609 is about 7346.6733287931. The cubic root of 53973609 is about 377.9147297932.

The spelling of 53973609 in words is "fifty-three million, nine hundred seventy-three thousand, six hundred nine".