53609442 has 8 divisors (see below), whose sum is σ = 107218896. Its totient is φ = 17869812.

The previous prime is 53609419. The next prime is 53609443. The reversal of 53609442 is 24490635.

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

53609442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (53609443) 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 3 ways as a sum of consecutive naturals, for example, 4467448 + ... + 4467459.

It is an arithmetic number, because the mean of its divisors is an integer number (13402362).

Almost surely, 2^53609442 is an apocalyptic number.

53609442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53609442 is a wasteful number, since it uses less digits than its factorization.

53609442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8934912.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 53609442 is about 7321.8468981535. The cubic root of 53609442 is about 377.0628643231.

The spelling of 53609442 in words is "fifty-three million, six hundred nine thousand, four hundred forty-two".