53277216 has 48 divisors (see below), whose sum is σ = 147218400. Its totient is φ = 16823808.

The previous prime is 53277209. The next prime is 53277227. The reversal of 53277216 is 61277235.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 12781 + ... + 16428.

It is an arithmetic number, because the mean of its divisors is an integer number (3067050).

Almost surely, 2^53277216 is an apocalyptic number.

It is an amenable number.

53277216 is an abundant number, since it is smaller than the sum of its proper divisors (93941184).

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

53277216 is a wasteful number, since it uses less digits than its factorization.

53277216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29241 (or 29233 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 53277216 is about 7299.1243310414. The cubic root of 53277216 is about 376.2823441399.

The spelling of 53277216 in words is "fifty-three million, two hundred seventy-seven thousand, two hundred sixteen".