53178416 has 20 divisors (see below), whose sum is σ = 108456600. Its totient is φ = 25189632.

The previous prime is 53178413. The next prime is 53178427. The reversal of 53178416 is 61487135.

It is not an unprimeable number, because it can be changed into a prime (53178413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87161 + ... + 87768.

It is an arithmetic number, because the mean of its divisors is an integer number (5422830).

Almost surely, 2^53178416 is an apocalyptic number.

It is an amenable number.

53178416 is an abundant number, since it is smaller than the sum of its proper divisors (55278184).

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

53178416 is a wasteful number, since it uses less digits than its factorization.

53178416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174956 (or 174950 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 53178416 is about 7292.3532552942. The cubic root of 53178416 is about 376.0496011220.

The spelling of 53178416 in words is "fifty-three million, one hundred seventy-eight thousand, four hundred sixteen".