53450016 has 96 divisors (see below), whose sum is σ = 147692160. Its totient is φ = 16902144.

The previous prime is 53450011. The next prime is 53450027. The reversal of 53450016 is 61005435.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (53450011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203101 + ... + 203363.

It is an arithmetic number, because the mean of its divisors is an integer number (1538460).

Almost surely, 2^53450016 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 53450016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73846080).

53450016 is an abundant number, since it is smaller than the sum of its proper divisors (94242144).

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

53450016 is a wasteful number, since it uses less digits than its factorization.

53450016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 53450016 is about 7310.9517848225. The cubic root of 53450016 is about 376.6887180901.

The spelling of 53450016 in words is "fifty-three million, four hundred fifty thousand, sixteen".