53015642 has 16 divisors (see below), whose sum is σ = 82747392. Its totient is φ = 25446960.

The previous prime is 53015597. The next prime is 53015659. The reversal of 53015642 is 24651035.

53015642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4508 + ... + 11240.

It is an arithmetic number, because the mean of its divisors is an integer number (5171712).

Almost surely, 2^53015642 is an apocalyptic number.

53015642 is a deficient number, since it is larger than the sum of its proper divisors (29731750).

53015642 is a wasteful number, since it uses less digits than its factorization.

53015642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6893.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 53015642 is about 7281.1841069980. The cubic root of 53015642 is about 375.6655251344.

Adding to 53015642 its reverse (24651035), we get a palindrome (77666677).

The spelling of 53015642 in words is "fifty-three million, fifteen thousand, six hundred forty-two".