52206142 has 8 divisors (see below), whose sum is σ = 78586776. Its totient is φ = 26010552.

The previous prime is 52206137. The next prime is 52206151. The reversal of 52206142 is 24160225.

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

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, 45553 + ... + 46684.

It is an arithmetic number, because the mean of its divisors is an integer number (9823347).

Almost surely, 2^52206142 is an apocalyptic number.

52206142 is a deficient number, since it is larger than the sum of its proper divisors (26380634).

52206142 is a wasteful number, since it uses less digits than its factorization.

52206142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92522.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 52206142 is about 7225.3817892206. The cubic root of 52206142 is about 373.7436879953.

Adding to 52206142 its reverse (24160225), we get a palindrome (76366367).

The spelling of 52206142 in words is "fifty-two million, two hundred six thousand, one hundred forty-two".