53152250 has 32 divisors (see below), whose sum is σ = 100481472. Its totient is φ = 21051600.

The previous prime is 53152237. The next prime is 53152261. The reversal of 53152250 is 5225135.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25757 + ... + 27743.

It is an arithmetic number, because the mean of its divisors is an integer number (3140046).

Almost surely, 2^53152250 is an apocalyptic number.

53152250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53152250 is a deficient number, since it is larger than the sum of its proper divisors (47329222).

53152250 is a wasteful number, since it uses less digits than its factorization.

53152250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111 (or 2101 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 53152250 is about 7290.5589634815. The cubic root of 53152250 is about 375.9879136374.

Adding to 53152250 its reverse (5225135), we get a palindrome (58377385).

The spelling of 53152250 in words is "fifty-three million, one hundred fifty-two thousand, two hundred fifty".