53474816 has 80 divisors (see below), whose sum is σ = 117849600. Its totient is φ = 24127488.

The previous prime is 53474807. The next prime is 53474833. The reversal of 53474816 is 61847435.

53474816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 53474816.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223625 + ... + 223863.

It is an arithmetic number, because the mean of its divisors is an integer number (1473120).

Almost surely, 2^53474816 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 53474816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58924800).

53474816 is an abundant number, since it is smaller than the sum of its proper divisors (64374784).

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

53474816 is a wasteful number, since it uses less digits than its factorization.

53474816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 283 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 53474816 is about 7312.6476737226. The cubic root of 53474816 is about 376.7469683736.

The spelling of 53474816 in words is "fifty-three million, four hundred seventy-four thousand, eight hundred sixteen".