53566142 has 16 divisors (see below), whose sum is σ = 92020320. Its totient is φ = 22908768.

The previous prime is 53566129. The next prime is 53566147. The reversal of 53566142 is 24166535.

It is a junction number, because it is equal to n+sod(n) for n = 53566099 and 53566108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53566147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3368 + ... + 10884.

It is an arithmetic number, because the mean of its divisors is an integer number (5751270).

Almost surely, 2^53566142 is an apocalyptic number.

53566142 is a deficient number, since it is larger than the sum of its proper divisors (38454178).

53566142 is a wasteful number, since it uses less digits than its factorization.

53566142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8035.

The product of its digits is 21600, while the sum is 32.

The square root of 53566142 is about 7318.8893966230. The cubic root of 53566142 is about 376.9613198993.

The spelling of 53566142 in words is "fifty-three million, five hundred sixty-six thousand, one hundred forty-two".