52630142 has 16 divisors (see below), whose sum is σ = 81076464. Its totient is φ = 25608000.

The previous prime is 52630139. The next prime is 52630159. The reversal of 52630142 is 24103625.

52630142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 53717 + ... + 54687.

It is an arithmetic number, because the mean of its divisors is an integer number (5067279).

Almost surely, 2^52630142 is an apocalyptic number.

52630142 is a deficient number, since it is larger than the sum of its proper divisors (28446322).

52630142 is a wasteful number, since it uses less digits than its factorization.

52630142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 52630142 is about 7254.6634656612. The cubic root of 52630142 is about 374.7527662222.

Adding to 52630142 its reverse (24103625), we get a palindrome (76733767).

The spelling of 52630142 in words is "fifty-two million, six hundred thirty thousand, one hundred forty-two".