53163642 has 16 divisors (see below), whose sum is σ = 121516992. Its totient is φ = 15189600.

The previous prime is 53163631. The next prime is 53163679. The reversal of 53163642 is 24636135.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632859 + ... + 632942.

It is an arithmetic number, because the mean of its divisors is an integer number (7594812).

Almost surely, 2^53163642 is an apocalyptic number.

53163642 is an abundant number, since it is smaller than the sum of its proper divisors (68353350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53163642 is a wasteful number, since it uses less digits than its factorization.

53163642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265813.

The product of its digits is 12960, while the sum is 30.

The square root of 53163642 is about 7291.3402060252. The cubic root of 53163642 is about 376.0147732614.

Adding to 53163642 its reverse (24636135), we get a palindrome (77799777).

The spelling of 53163642 in words is "fifty-three million, one hundred sixty-three thousand, six hundred forty-two".