53445342 has 8 divisors (see below), whose sum is σ = 106890696. Its totient is φ = 17815112.

The previous prime is 53445313. The next prime is 53445349. The reversal of 53445342 is 24354435.

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

53445342 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53445349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4453773 + ... + 4453784.

It is an arithmetic number, because the mean of its divisors is an integer number (13361337).

Almost surely, 2^53445342 is an apocalyptic number.

53445342 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.

53445342 is a wasteful number, since it uses less digits than its factorization.

53445342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8907562.

The product of its digits is 28800, while the sum is 30.

The square root of 53445342 is about 7310.6321204120. The cubic root of 53445342 is about 376.6777377729.

Adding to 53445342 its reverse (24354435), we get a palindrome (77799777).

The spelling of 53445342 in words is "fifty-three million, four hundred forty-five thousand, three hundred forty-two".