52206146 has 4 divisors (see below), whose sum is σ = 78309222. Its totient is φ = 26103072.

The previous prime is 52206137. The next prime is 52206151. The reversal of 52206146 is 64160225.

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

It can be written as a sum of positive squares in only one way, i.e., 43414921 + 8791225 = 6589^2 + 2965^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13051535 + ... + 13051538.

Almost surely, 2^52206146 is an apocalyptic number.

52206146 is a deficient number, since it is larger than the sum of its proper divisors (26103076).

52206146 is a wasteful number, since it uses less digits than its factorization.

52206146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26103075.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 52206146 is about 7225.3820660225. The cubic root of 52206146 is about 373.7436975407.

The spelling of 52206146 in words is "fifty-two million, two hundred six thousand, one hundred forty-six".