53210042 has 8 divisors (see below), whose sum is σ = 79852500. Its totient is φ = 26592544.

The previous prime is 53210023. The next prime is 53210081. The reversal of 53210042 is 24001235.

It can be written as a sum of positive squares in 2 ways, for example, as 52693081 + 516961 = 7259^2 + 719^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 53210042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584 + ... + 10332.

Almost surely, 2^53210042 is an apocalyptic number.

53210042 is a deficient number, since it is larger than the sum of its proper divisors (26642458).

53210042 is a wasteful number, since it uses less digits than its factorization.

53210042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12480.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 53210042 is about 7294.5213688082. The cubic root of 53210042 is about 376.1241337910.

Adding to 53210042 its reverse (24001235), we get a palindrome (77211277).

The spelling of 53210042 in words is "fifty-three million, two hundred ten thousand, forty-two".