53516378 has 8 divisors (see below), whose sum is σ = 80308800. Its totient is φ = 26746780.

The previous prime is 53516341. The next prime is 53516383. The reversal of 53516378 is 87361535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 2543 + ... + 10653.

It is an arithmetic number, because the mean of its divisors is an integer number (10038600).

Almost surely, 2^53516378 is an apocalyptic number.

53516378 is a deficient number, since it is larger than the sum of its proper divisors (26792422).

53516378 is a wasteful number, since it uses less digits than its factorization.

53516378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11412.

The product of its digits is 75600, while the sum is 38.

The square root of 53516378 is about 7315.4889105240. The cubic root of 53516378 is about 376.8445489030.

The spelling of 53516378 in words is "fifty-three million, five hundred sixteen thousand, three hundred seventy-eight".