53216352 has 180 divisors, whose sum is σ = 182494620. Its totient is φ = 15168384.

The previous prime is 53216351. The next prime is 53216377. The reversal of 53216352 is 25361235.

53216352 is a `hidden beast` number, since 5 + 3 + 21 + 635 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53216351) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 126799 + ... + 127217.

It is an arithmetic number, because the mean of its divisors is an integer number (1013859).

Almost surely, 2^53216352 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 53216352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91247310).

53216352 is an abundant number, since it is smaller than the sum of its proper divisors (129278268).

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

53216352 is a wasteful number, since it uses less digits than its factorization.

53216352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 431 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 53216352 is about 7294.9538723696. The cubic root of 53216352 is about 376.1390009689.

Adding to 53216352 its reverse (25361235), we get a palindrome (78577587).

The spelling of 53216352 in words is "fifty-three million, two hundred sixteen thousand, three hundred fifty-two".