53332642 has 16 divisors (see below), whose sum is σ = 89302752. Its totient is φ = 23677920.

The previous prime is 53332567. The next prime is 53332667. The reversal of 53332642 is 24623335.

53332642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 53332642.

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, 27243 + ... + 29134.

It is an arithmetic number, because the mean of its divisors is an integer number (5581422).

Almost surely, 2^53332642 is an apocalyptic number.

53332642 is a deficient number, since it is larger than the sum of its proper divisors (35970110).

53332642 is a wasteful number, since it uses less digits than its factorization.

53332642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56433.

The product of its digits is 12960, while the sum is 28.

The square root of 53332642 is about 7302.9201008911. The cubic root of 53332642 is about 376.4127851214.

Adding to 53332642 its reverse (24623335), we get a palindrome (77955977).

The spelling of 53332642 in words is "fifty-three million, three hundred thirty-two thousand, six hundred forty-two".