53142302 has 8 divisors (see below), whose sum is σ = 80221656. Its totient is φ = 26401752.

The previous prime is 53142301. The next prime is 53142311. The reversal of 53142302 is 20324135.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53142301) 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, 84308 + ... + 84935.

It is an arithmetic number, because the mean of its divisors is an integer number (10027707).

Almost surely, 2^53142302 is an apocalyptic number.

53142302 is a deficient number, since it is larger than the sum of its proper divisors (27079354).

53142302 is a wasteful number, since it uses less digits than its factorization.

53142302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169402.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 53142302 is about 7289.8766793410. The cubic root of 53142302 is about 375.9644554826.

Adding to 53142302 its reverse (20324135), we get a palindrome (73466437).

The spelling of 53142302 in words is "fifty-three million, one hundred forty-two thousand, three hundred two".