53650816 has 16 divisors (see below), whose sum is σ = 106882740. Its totient is φ = 26825344.

The previous prime is 53650811. The next prime is 53650847. The reversal of 53650816 is 61805635.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53650811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209446 + ... + 209701.

Almost surely, 2^53650816 is an apocalyptic number.

It is an amenable number.

53650816 is a deficient number, since it is larger than the sum of its proper divisors (53231924).

53650816 is an equidigital number, since it uses as much as digits as its factorization.

53650816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419161 (or 419149 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 53650816 is about 7324.6717332588. The cubic root of 53650816 is about 377.1598409423.

The spelling of 53650816 in words is "fifty-three million, six hundred fifty thousand, eight hundred sixteen".