53144242 has 8 divisors (see below), whose sum is σ = 79785216. Its totient is φ = 26549172.

The previous prime is 53144209. The next prime is 53144251. The reversal of 53144242 is 24244135.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8418 + ... + 13309.

It is an arithmetic number, because the mean of its divisors is an integer number (9973152).

Almost surely, 2^53144242 is an apocalyptic number.

53144242 is a deficient number, since it is larger than the sum of its proper divisors (26640974).

53144242 is a wasteful number, since it uses less digits than its factorization.

53144242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22952.

The product of its digits is 3840, while the sum is 25.

The square root of 53144242 is about 7290.0097393625. The cubic root of 53144242 is about 375.9690303827.

Adding to 53144242 its reverse (24244135), we get a palindrome (77388377).

The spelling of 53144242 in words is "fifty-three million, one hundred forty-four thousand, two hundred forty-two".