53236400 has 60 divisors (see below), whose sum is σ = 146179632. Its totient is φ = 18251520.

The previous prime is 53236399. The next prime is 53236411. The reversal of 53236400 is 463235.

It is a super-2 number, since 2×53236400² = 5668228569920000, which contains 22 as substring.

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, 6707 + ... + 12306.

Almost surely, 2^53236400 is an apocalyptic number.

53236400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53236400 is an abundant number, since it is smaller than the sum of its proper divisors (92943232).

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

53236400 is a wasteful number, since it uses less digits than its factorization.

53236400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19038 (or 19027 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 53236400 is about 7296.3278435114. The cubic root of 53236400 is about 376.1862288582.

Adding to 53236400 its reverse (463235), we get a palindrome (53699635).

The spelling of 53236400 in words is "fifty-three million, two hundred thirty-six thousand, four hundred".