53216300 has 18 divisors (see below), whose sum is σ = 115479588. Its totient is φ = 21286480.

The previous prime is 53216299. The next prime is 53216329. The reversal of 53216300 is 361235.

It is a super-3 number, since 3×53216300³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 265982 + ... + 266181.

Almost surely, 2^53216300 is an apocalyptic number.

53216300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53216300 is an abundant number, since it is smaller than the sum of its proper divisors (62263288).

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

53216300 is a wasteful number, since it uses less digits than its factorization.

53216300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532177 (or 532170 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 53216300 is about 7294.9503082612. The cubic root of 53216300 is about 376.1388784549.

Adding to 53216300 its reverse (361235), we get a palindrome (53577535).

The spelling of 53216300 in words is "fifty-three million, two hundred sixteen thousand, three hundred".