53703216 has 240 divisors, whose sum is σ = 186595200. Its totient is φ = 14732928.

The previous prime is 53703211. The next prime is 53703217. The reversal of 53703216 is 61230735.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 53703216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53703211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 910195 + ... + 910253.

It is an arithmetic number, because the mean of its divisors is an integer number (777480).

Almost surely, 2^53703216 is an apocalyptic number.

53703216 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53703216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93297600).

53703216 is an abundant number, since it is smaller than the sum of its proper divisors (132891984).

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

53703216 is a wasteful number, since it uses less digits than its factorization.

53703216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 27.

The square root of 53703216 is about 7328.2478124037. The cubic root of 53703216 is about 377.2825898986.

The spelling of 53703216 in words is "fifty-three million, seven hundred three thousand, two hundred sixteen".