53117242 has 8 divisors (see below), whose sum is σ = 80303616. Its totient is φ = 26349372.

The previous prime is 53117227. The next prime is 53117257. The reversal of 53117242 is 24271135.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53117227) and next prime (53117257).

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

It is an unprimeable number.

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, 104308 + ... + 104815.

It is an arithmetic number, because the mean of its divisors is an integer number (10037952).

Almost surely, 2^53117242 is an apocalyptic number.

53117242 is a deficient number, since it is larger than the sum of its proper divisors (27186374).

53117242 is a wasteful number, since it uses less digits than its factorization.

53117242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209252.

The product of its digits is 1680, while the sum is 25.

The square root of 53117242 is about 7288.1576547163. The cubic root of 53117242 is about 375.9053490817.

Adding to 53117242 its reverse (24271135), we get a palindrome (77388377).

The spelling of 53117242 in words is "fifty-three million, one hundred seventeen thousand, two hundred forty-two".