52125210 has 48 divisors (see below), whose sum is σ = 136865664. Its totient is φ = 13762656.

The previous prime is 52125197. The next prime is 52125221. The reversal of 52125210 is 1252125.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6459 + ... + 12081.

It is an arithmetic number, because the mean of its divisors is an integer number (2851368).

Almost surely, 2^52125210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52125210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68432832).

52125210 is an abundant number, since it is smaller than the sum of its proper divisors (84740454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52125210 is a wasteful number, since it uses less digits than its factorization.

52125210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5739 (or 5736 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 52125210 is about 7219.7790824928. The cubic root of 52125210 is about 373.5504574230.

Adding to 52125210 its reverse (1252125), we get a palindrome (53377335).

The spelling of 52125210 in words is "fifty-two million, one hundred twenty-five thousand, two hundred ten".