53163250 has 64 divisors (see below), whose sum is σ = 120496896. Its totient is φ = 17145600.

The previous prime is 53163247. The next prime is 53163283. The reversal of 53163250 is 5236135.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28857 + ... + 30643.

It is an arithmetic number, because the mean of its divisors is an integer number (1882764).

Almost surely, 2^53163250 is an apocalyptic number.

53163250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53163250 is an abundant number, since it is smaller than the sum of its proper divisors (67333646).

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

53163250 is a wasteful number, since it uses less digits than its factorization.

53163250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1828 (or 1818 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 53163250 is about 7291.3133247722. The cubic root of 53163250 is about 376.0138490825.

Adding to 53163250 its reverse (5236135), we get a palindrome (58399385).

The spelling of 53163250 in words is "fifty-three million, one hundred sixty-three thousand, two hundred fifty".