52928978 has 16 divisors (see below), whose sum is σ = 80403840. Its totient is φ = 26130000.

The previous prime is 52928971. The next prime is 52928987. The reversal of 52928978 is 87982925.

52928978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52928971) 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 in 7 ways as a sum of consecutive naturals, for example, 70103 + ... + 70853.

It is an arithmetic number, because the mean of its divisors is an integer number (5025240).

Almost surely, 2^52928978 is an apocalyptic number.

52928978 is a deficient number, since it is larger than the sum of its proper divisors (27474862).

52928978 is a wasteful number, since it uses less digits than its factorization.

52928978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153.

The product of its digits is 725760, while the sum is 50.

The square root of 52928978 is about 7275.2304430856. The cubic root of 52928978 is about 375.4607149314.

The spelling of 52928978 in words is "fifty-two million, nine hundred twenty-eight thousand, nine hundred seventy-eight".