52680142 has 8 divisors (see below), whose sum is σ = 79551000. Its totient is φ = 26163144.

The previous prime is 52680139. The next prime is 52680163. The reversal of 52680142 is 24108625.

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

It is a super-2 number, since 2×52680142² = 5550394722280328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52680142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88092 + ... + 88687.

It is an arithmetic number, because the mean of its divisors is an integer number (9943875).

Almost surely, 2^52680142 is an apocalyptic number.

52680142 is a deficient number, since it is larger than the sum of its proper divisors (26870858).

52680142 is a wasteful number, since it uses less digits than its factorization.

52680142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176930.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 52680142 is about 7258.1087068189. The cubic root of 52680142 is about 374.8714036100.

Adding to 52680142 its reverse (24108625), we get a palindrome (76788767).

The spelling of 52680142 in words is "fifty-two million, six hundred eighty thousand, one hundred forty-two".