53807216 has 20 divisors (see below), whose sum is σ = 105573600. Its totient is φ = 26562432.

The previous prime is 53807207. The next prime is 53807219. The reversal of 53807216 is 61270835.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53807219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20021 + ... + 22548.

It is an arithmetic number, because the mean of its divisors is an integer number (5278680).

Almost surely, 2^53807216 is an apocalyptic number.

It is an amenable number.

53807216 is a deficient number, since it is larger than the sum of its proper divisors (51766384).

53807216 is a wasteful number, since it uses less digits than its factorization.

53807216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42656 (or 42650 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 53807216 is about 7335.3402102425. The cubic root of 53807216 is about 377.5259774822.

The spelling of 53807216 in words is "fifty-three million, eight hundred seven thousand, two hundred sixteen".