53216256 has 88 divisors (see below), whose sum is σ = 150331680. Its totient is φ = 16678912.

The previous prime is 53216231. The next prime is 53216257. The reversal of 53216256 is 65261235.

It is not an unprimeable number, because it can be changed into a prime (53216257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51715 + ... + 52733.

Almost surely, 2^53216256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53216256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75165840).

53216256 is an abundant number, since it is smaller than the sum of its proper divisors (97115424).

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

53216256 is a wasteful number, since it uses less digits than its factorization.

53216256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059 (or 1041 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 53216256 is about 7294.9472924758. The cubic root of 53216256 is about 376.1387747892.

The spelling of 53216256 in words is "fifty-three million, two hundred sixteen thousand, two hundred fifty-six".