53545242 has 16 divisors (see below), whose sum is σ = 111746880. Its totient is φ = 17072352.

The previous prime is 53545231. The next prime is 53545243. The reversal of 53545242 is 24254535.

It is not an unprimeable number, because it can be changed into a prime (53545243) 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, 193867 + ... + 194142.

It is an arithmetic number, because the mean of its divisors is an integer number (6984180).

Almost surely, 2^53545242 is an apocalyptic number.

53545242 is an abundant number, since it is smaller than the sum of its proper divisors (58201638).

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

53545242 is a wasteful number, since it uses less digits than its factorization.

53545242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388037.

The product of its digits is 24000, while the sum is 30.

The square root of 53545242 is about 7317.4614450641. The cubic root of 53545242 is about 376.9122869582.

Adding to 53545242 its reverse (24254535), we get a palindrome (77799777).

The spelling of 53545242 in words is "fifty-three million, five hundred forty-five thousand, two hundred forty-two".