53454400 has 42 divisors (see below), whose sum is σ = 131535170. Its totient is φ = 21381120.

The previous prime is 53454397. The next prime is 53454421. The reversal of 53454400 is 445435.

It can be written as a sum of positive squares in 3 ways, for example, as 222784 + 53231616 = 472^2 + 7296^2 .

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 5 ways as a sum of consecutive naturals, for example, 15105 + ... + 18304.

Almost surely, 2^53454400 is an apocalyptic number.

53454400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53454400 is an abundant number, since it is smaller than the sum of its proper divisors (78080770).

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

53454400 is a wasteful number, since it uses less digits than its factorization.

53454400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33431 (or 33416 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 53454400 is about 7311.2516028379. The cubic root of 53454400 is about 376.6990165479.

Adding to 53454400 its reverse (445435), we get a palindrome (53899835).

The spelling of 53454400 in words is "fifty-three million, four hundred fifty-four thousand, four hundred".