52297146 has 24 divisors (see below), whose sum is σ = 123611904. Its totient is φ = 15847560.

The previous prime is 52297129. The next prime is 52297163. The reversal of 52297146 is 64179225.

52297146 is a `hidden beast` number, since 522 + 97 + 1 + 46 = 666.

It is an interprime number because it is at equal distance from previous prime (52297129) and next prime (52297163).

It is a self number, because there is not a number n which added to its sum of digits gives 52297146.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131866 + ... + 132261.

It is an arithmetic number, because the mean of its divisors is an integer number (5150496).

Almost surely, 2^52297146 is an apocalyptic number.

52297146 is an abundant number, since it is smaller than the sum of its proper divisors (71314758).

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

52297146 is a wasteful number, since it uses less digits than its factorization.

52297146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264146 (or 264143 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 52297146 is about 7231.6765690952. The cubic root of 52297146 is about 373.9607277627.

The spelling of 52297146 in words is "fifty-two million, two hundred ninety-seven thousand, one hundred forty-six".