53142860 has 12 divisors (see below), whose sum is σ = 111600048. Its totient is φ = 21257136.

The previous prime is 53142851. The next prime is 53142863. The reversal of 53142860 is 6824135.

53142860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (53142863) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1328552 + ... + 1328591.

It is an arithmetic number, because the mean of its divisors is an integer number (9300004).

Almost surely, 2^53142860 is an apocalyptic number.

It is an amenable number.

53142860 is an abundant number, since it is smaller than the sum of its proper divisors (58457188).

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

53142860 is a wasteful number, since it uses less digits than its factorization.

53142860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2657152 (or 2657150 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 53142860 is about 7289.9149514929. The cubic root of 53142860 is about 375.9657713673.

Adding to 53142860 its reverse (6824135), we get a palindrome (59966995).

The spelling of 53142860 in words is "fifty-three million, one hundred forty-two thousand, eight hundred sixty".