53228516 has 12 divisors (see below), whose sum is σ = 101618160. Its totient is φ = 24194760.

The previous prime is 53228507. The next prime is 53228551. The reversal of 53228516 is 61582235.

53228516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604826 + ... + 604913.

It is an arithmetic number, because the mean of its divisors is an integer number (8468180).

Almost surely, 2^53228516 is an apocalyptic number.

It is an amenable number.

53228516 is a deficient number, since it is larger than the sum of its proper divisors (48389644).

53228516 is a wasteful number, since it uses less digits than its factorization.

53228516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209754 (or 1209752 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 53228516 is about 7295.7875517315. The cubic root of 53228516 is about 376.1676576134.

The spelling of 53228516 in words is "fifty-three million, two hundred twenty-eight thousand, five hundred sixteen".