53221206216456 has 96 divisors (see below), whose sum is σ = 155594231208000. Its totient is φ = 16383939530112.

The previous prime is 53221206216401. The next prime is 53221206216509. The reversal of 53221206216456 is 65461260212235.

53221206216456 is a `hidden beast` number, since 5 + 3 + 2 + 2 + 12 + 0 + 621 + 6 + 4 + 5 + 6 = 666.

It is a super-2 number, since 2×53221206216456² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 554062486 + ... + 554158533.

It is an arithmetic number, because the mean of its divisors is an integer number (1620773241750).

Almost surely, 2^{53221206216456} is an apocalyptic number.

It is an amenable number.

53221206216456 is an abundant number, since it is smaller than the sum of its proper divisors (102373024991544).

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

53221206216456 is a wasteful number, since it uses less digits than its factorization.

53221206216456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108221083 (or 1108221076 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 53221206216456 in words is "fifty-three trillion, two hundred twenty-one billion, two hundred six million, two hundred sixteen thousand, four hundred fifty-six".