53666800 has 60 divisors (see below), whose sum is σ = 140667336. Its totient is φ = 19513600.

The previous prime is 53666783. The next prime is 53666803. The reversal of 53666800 is 866635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53666803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1699 + ... + 10498.

Almost surely, 2^53666800 is an apocalyptic number.

53666800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53666800 is an abundant number, since it is smaller than the sum of its proper divisors (87000536).

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

53666800 is a wasteful number, since it uses less digits than its factorization.

53666800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12226 (or 12215 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 53666800 is about 7325.7627589214. The cubic root of 53666800 is about 377.1972925274.

The spelling of 53666800 in words is "fifty-three million, six hundred sixty-six thousand, eight hundred".