52152250 has 16 divisors (see below), whose sum is σ = 97629480. Its totient is φ = 20860800.

The previous prime is 52152241. The next prime is 52152251. The reversal of 52152250 is 5225125.

It can be written as a sum of positive squares in 4 ways, for example, as 6007401 + 46144849 = 2451^2 + 6793^2 .

It is not an unprimeable number, because it can be changed into a prime (52152251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104055 + ... + 104554.

Almost surely, 2^52152250 is an apocalyptic number.

52152250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52152250 is a deficient number, since it is larger than the sum of its proper divisors (45477230).

52152250 is a wasteful number, since it uses less digits than its factorization.

52152250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208626 (or 208616 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 52152250 is about 7221.6514731743. The cubic root of 52152250 is about 373.6150394700.

Adding to 52152250 its reverse (5225125), we get a palindrome (57377375).

The spelling of 52152250 in words is "fifty-two million, one hundred fifty-two thousand, two hundred fifty".