53142212 has 12 divisors (see below), whose sum is σ = 95512620. Its totient is φ = 25852896.

The previous prime is 53142211. The next prime is 53142227. The reversal of 53142212 is 21224135.

It can be written as a sum of positive squares in 2 ways, for example, as 19571776 + 33570436 = 4424^2 + 5794^2 .

It is not an unprimeable number, because it can be changed into a prime (53142211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179387 + ... + 179682.

It is an arithmetic number, because the mean of its divisors is an integer number (7959385).

Almost surely, 2^53142212 is an apocalyptic number.

It is an amenable number.

53142212 is a deficient number, since it is larger than the sum of its proper divisors (42370408).

53142212 is a wasteful number, since it uses less digits than its factorization.

53142212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359110 (or 359108 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 53142212 is about 7289.8705063945. The cubic root of 53142212 is about 375.9642432422.

Adding to 53142212 its reverse (21224135), we get a palindrome (74366347).

The spelling of 53142212 in words is "fifty-three million, one hundred forty-two thousand, two hundred twelve".