53253400 has 48 divisors (see below), whose sum is σ = 125940600. Its totient is φ = 20935680.

The previous prime is 53253391. The next prime is 53253413. The reversal of 53253400 is 435235.

It is a super-2 number, since 2×53253400² = 5671849223120000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9544 + ... + 14056.

Almost surely, 2^53253400 is an apocalyptic number.

53253400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53253400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62970300).

53253400 is an abundant number, since it is smaller than the sum of its proper divisors (72687200).

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

53253400 is a wasteful number, since it uses less digits than its factorization.

53253400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4588 (or 4579 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 53253400 is about 7297.4927201060. The cubic root of 53253400 is about 376.2262671608.

Adding to 53253400 its reverse (435235), we get a palindrome (53688635).

The spelling of 53253400 in words is "fifty-three million, two hundred fifty-three thousand, four hundred".