52478318 has 24 divisors (see below), whose sum is σ = 84230928. Its totient is φ = 24474912.

The previous prime is 52478311. The next prime is 52478329. The reversal of 52478318 is 81387425.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52478311) 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 11 ways as a sum of consecutive naturals, for example, 84746 + ... + 85362.

It is an arithmetic number, because the mean of its divisors is an integer number (3509622).

Almost surely, 2^52478318 is an apocalyptic number.

52478318 is a deficient number, since it is larger than the sum of its proper divisors (31752610).

52478318 is a wasteful number, since it uses less digits than its factorization.

52478318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 685 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 52478318 is about 7244.1920184379. The cubic root of 52478318 is about 374.3920650469.

The spelling of 52478318 in words is "fifty-two million, four hundred seventy-eight thousand, three hundred eighteen".