53416518 has 16 divisors (see below), whose sum is σ = 107452656. Its totient is φ = 17702240.

The previous prime is 53416513. The next prime is 53416589. The reversal of 53416518 is 81561435.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53416513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24693 + ... + 26768.

It is an arithmetic number, because the mean of its divisors is an integer number (6715791).

Almost surely, 2^53416518 is an apocalyptic number.

53416518 is an abundant number, since it is smaller than the sum of its proper divisors (54036138).

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

53416518 is a wasteful number, since it uses less digits than its factorization.

53416518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51639.

The product of its digits is 14400, while the sum is 33.

The square root of 53416518 is about 7308.6604791850. The cubic root of 53416518 is about 376.6100093165.

The spelling of 53416518 in words is "fifty-three million, four hundred sixteen thousand, five hundred eighteen".