52247146 has 16 divisors (see below), whose sum is σ = 89781120. Its totient is φ = 22338000.

The previous prime is 52247141. The next prime is 52247147. The reversal of 52247146 is 64174225.

It is not an unprimeable number, because it can be changed into a prime (52247141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1896 + ... + 10396.

It is an arithmetic number, because the mean of its divisors is an integer number (5611320).

Almost surely, 2^52247146 is an apocalyptic number.

52247146 is a deficient number, since it is larger than the sum of its proper divisors (37533974).

52247146 is a wasteful number, since it uses less digits than its factorization.

52247146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8949.

The product of its digits is 13440, while the sum is 31.

The square root of 52247146 is about 7228.2187293966. The cubic root of 52247146 is about 373.8415115791.

The spelling of 52247146 in words is "fifty-two million, two hundred forty-seven thousand, one hundred forty-six".