52420678 has 4 divisors (see below), whose sum is σ = 78631020. Its totient is φ = 26210338.

The previous prime is 52420663. The next prime is 52420699. The reversal of 52420678 is 87602425.

52420678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 13105168 + ... + 13105171.

It is an arithmetic number, because the mean of its divisors is an integer number (19657755).

Almost surely, 2^52420678 is an apocalyptic number.

52420678 is a deficient number, since it is larger than the sum of its proper divisors (26210342).

52420678 is a wasteful number, since it uses less digits than its factorization.

52420678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26210341.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 52420678 is about 7240.2125659403. The cubic root of 52420678 is about 374.2549426116.

The spelling of 52420678 in words is "fifty-two million, four hundred twenty thousand, six hundred seventy-eight".