53660142 has 24 divisors (see below), whose sum is σ = 122383560. Its totient is φ = 16945200.

The previous prime is 53660141. The next prime is 53660149. The reversal of 53660142 is 24106635.

53660142 is a `hidden beast` number, since 53 + 6 + 601 + 4 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53660141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78109 + ... + 78792.

It is an arithmetic number, because the mean of its divisors is an integer number (5099315).

Almost surely, 2^53660142 is an apocalyptic number.

53660142 is an abundant number, since it is smaller than the sum of its proper divisors (68723418).

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

53660142 is a wasteful number, since it uses less digits than its factorization.

53660142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156928 (or 156925 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 53660142 is about 7325.3083211562. The cubic root of 53660142 is about 377.1816932902.

Adding to 53660142 its reverse (24106635), we get a palindrome (77766777).

The spelling of 53660142 in words is "fifty-three million, six hundred sixty thousand, one hundred forty-two".