52678040 has 16 divisors (see below), whose sum is σ = 118525680. Its totient is φ = 21071200.

The previous prime is 52678033. The next prime is 52678057. The reversal of 52678040 is 4087625.

52678040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 52677988 and 52678006.

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 3 ways as a sum of consecutive naturals, for example, 658436 + ... + 658515.

It is an arithmetic number, because the mean of its divisors is an integer number (7407855).

Almost surely, 2^52678040 is an apocalyptic number.

It is an amenable number.

52678040 is an abundant number, since it is smaller than the sum of its proper divisors (65847640).

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

52678040 is a wasteful number, since it uses less digits than its factorization.

52678040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316962 (or 1316958 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 52678040 is about 7257.9639018116. The cubic root of 52678040 is about 374.8664176062.

The spelling of 52678040 in words is "fifty-two million, six hundred seventy-eight thousand, forty".