52267578 has 16 divisors (see below), whose sum is σ = 114038496. Its totient is φ = 15838640.

The previous prime is 52267531. The next prime is 52267583. The reversal of 52267578 is 87576225.

52267578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 395901 + ... + 396032.

It is an arithmetic number, because the mean of its divisors is an integer number (7127406).

Almost surely, 2^52267578 is an apocalyptic number.

52267578 is an abundant number, since it is smaller than the sum of its proper divisors (61770918).

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

52267578 is a wasteful number, since it uses less digits than its factorization.

52267578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791949.

The product of its digits is 235200, while the sum is 42.

The square root of 52267578 is about 7229.6319408390. The cubic root of 52267578 is about 373.8902372664.

It can be divided in two parts, 522675 and 78, that added together give a triangular number (522753 = T₁₀₂₂).

The spelling of 52267578 in words is "fifty-two million, two hundred sixty-seven thousand, five hundred seventy-eight".