53166578 has 16 divisors (see below), whose sum is σ = 80668224. Its totient is φ = 26279280.

The previous prime is 53166571. The next prime is 53166583. The reversal of 53166578 is 87566135.

53166578 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 (53166571) 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, 81851 + ... + 82497.

It is an arithmetic number, because the mean of its divisors is an integer number (5041764).

Almost surely, 2^53166578 is an apocalyptic number.

53166578 is a deficient number, since it is larger than the sum of its proper divisors (27501646).

53166578 is a wasteful number, since it uses less digits than its factorization.

53166578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057.

The product of its digits is 151200, while the sum is 41.

The square root of 53166578 is about 7291.5415379740. The cubic root of 53166578 is about 376.0216950286.

The spelling of 53166578 in words is "fifty-three million, one hundred sixty-six thousand, five hundred seventy-eight".