53135642 has 16 divisors (see below), whose sum is σ = 96448320. Its totient is φ = 21432768.

The previous prime is 53135639. The next prime is 53135701. The reversal of 53135642 is 24653135.

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, 111392 + ... + 111867.

It is an arithmetic number, because the mean of its divisors is an integer number (6028020).

Almost surely, 2^53135642 is an apocalyptic number.

53135642 is a deficient number, since it is larger than the sum of its proper divisors (43312678).

53135642 is a wasteful number, since it uses less digits than its factorization.

53135642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223285.

The product of its digits is 10800, while the sum is 29.

The square root of 53135642 is about 7289.4198671774. The cubic root of 53135642 is about 375.9487490504.

Adding to 53135642 its reverse (24653135), we get a palindrome (77788777).

The spelling of 53135642 in words is "fifty-three million, one hundred thirty-five thousand, six hundred forty-two".