53609473 has 8 divisors (see below), whose sum is σ = 54501120. Its totient is φ = 52721760.

The previous prime is 53609471. The next prime is 53609489. The reversal of 53609473 is 37490635.

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

It is not a de Polignac number, because 53609473 - 2¹ = 53609471 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53609471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39736 + ... + 41062.

It is an arithmetic number, because the mean of its divisors is an integer number (6812640).

Almost surely, 2^53609473 is an apocalyptic number.

It is an amenable number.

53609473 is a deficient number, since it is larger than the sum of its proper divisors (891647).

53609473 is a wasteful number, since it uses less digits than its factorization.

53609473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 53609473 is about 7321.8490151054. The cubic root of 53609473 is about 377.0629370027.

The spelling of 53609473 in words is "fifty-three million, six hundred nine thousand, four hundred seventy-three".