52118542 has 16 divisors (see below), whose sum is σ = 89498592. Its totient is φ = 22298400.

The previous prime is 52118531. The next prime is 52118551. The reversal of 52118542 is 24581125.

It is a self number, because there is not a number n which added to its sum of digits gives 52118542.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 6292 + ... + 11992.

It is an arithmetic number, because the mean of its divisors is an integer number (5593662).

Almost surely, 2^52118542 is an apocalyptic number.

52118542 is a deficient number, since it is larger than the sum of its proper divisors (37380050).

52118542 is a wasteful number, since it uses less digits than its factorization.

52118542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6363.

The product of its digits is 3200, while the sum is 28.

The square root of 52118542 is about 7219.3172807406. The cubic root of 52118542 is about 373.5345282104.

Adding to 52118542 its reverse (24581125), we get a palindrome (76699667).

The spelling of 52118542 in words is "fifty-two million, one hundred eighteen thousand, five hundred forty-two".