52420210 has 8 divisors (see below), whose sum is σ = 94356396. Its totient is φ = 20968080.

The previous prime is 52420189. The next prime is 52420217. The reversal of 52420210 is 1202425.

It can be written as a sum of positive squares in 2 ways, for example, as 47844889 + 4575321 = 6917^2 + 2139^2 .

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

It is not an unprimeable number, because it can be changed into a prime (52420217) by changing a digit.

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, 2621001 + ... + 2621020.

Almost surely, 2^52420210 is an apocalyptic number.

52420210 is a deficient number, since it is larger than the sum of its proper divisors (41936186).

52420210 is a wasteful number, since it uses less digits than its factorization.

52420210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5242028.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 52420210 is about 7240.1802463751. The cubic root of 52420210 is about 374.2538288537.

Adding to 52420210 its reverse (1202425), we get a palindrome (53622635).

The spelling of 52420210 in words is "fifty-two million, four hundred twenty thousand, two hundred ten".