52828478 has 4 divisors (see below), whose sum is σ = 79242720. Its totient is φ = 26414238.

The previous prime is 52828471. The next prime is 52828487. The reversal of 52828478 is 87482825.

52828478 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 not an unprimeable number, because it can be changed into a prime (52828471) by changing a digit.

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, 13207118 + ... + 13207121.

It is an arithmetic number, because the mean of its divisors is an integer number (19810680).

Almost surely, 2^52828478 is an apocalyptic number.

52828478 is a deficient number, since it is larger than the sum of its proper divisors (26414242).

52828478 is a wasteful number, since it uses less digits than its factorization.

52828478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26414241.

The product of its digits is 286720, while the sum is 44.

The square root of 52828478 is about 7268.3201635591. The cubic root of 52828478 is about 375.2229264135. Note that the first 3 decimals are identical.

The spelling of 52828478 in words is "fifty-two million, eight hundred twenty-eight thousand, four hundred seventy-eight".