53793216 has 84 divisors (see below), whose sum is σ = 156818584. Its totient is φ = 17625600.

The previous prime is 53793211. The next prime is 53793217. The reversal of 53793216 is 61239735.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53793211) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 34371 + ... + 35901.

Almost surely, 2^53793216 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 53793216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78409292).

53793216 is an abundant number, since it is smaller than the sum of its proper divisors (103025368).

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

53793216 is a wasteful number, since it uses less digits than its factorization.

53793216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610 (or 1597 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 53793216 is about 7334.3858638607. The cubic root of 53793216 is about 377.4932320468.

The spelling of 53793216 in words is "fifty-three million, seven hundred ninety-three thousand, two hundred sixteen".