53542142 has 8 divisors (see below), whose sum is σ = 81413616. Its totient is φ = 26404272.

The previous prime is 53542127. The next prime is 53542169. The reversal of 53542142 is 24124535.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183218 + ... + 183509.

It is an arithmetic number, because the mean of its divisors is an integer number (10176702).

Almost surely, 2^53542142 is an apocalyptic number.

53542142 is a deficient number, since it is larger than the sum of its proper divisors (27871474).

53542142 is a wasteful number, since it uses less digits than its factorization.

53542142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366802.

The product of its digits is 4800, while the sum is 26.

The square root of 53542142 is about 7317.2496199050. The cubic root of 53542142 is about 376.9050130430.

Adding to 53542142 its reverse (24124535), we get a palindrome (77666677).

The spelling of 53542142 in words is "fifty-three million, five hundred forty-two thousand, one hundred forty-two".