52420068 has 24 divisors (see below), whose sum is σ = 135904160. Its totient is φ = 17473320.

The previous prime is 52420057. The next prime is 52420073. The reversal of 52420068 is 86002425.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242578 + ... + 242793.

Almost surely, 2^52420068 is an apocalyptic number.

It is an amenable number.

52420068 is an abundant number, since it is smaller than the sum of its proper divisors (83484092).

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

52420068 is a wasteful number, since it uses less digits than its factorization.

52420068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485384 (or 485376 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 52420068 is about 7240.1704399827. The cubic root of 52420068 is about 374.2534909173.

The spelling of 52420068 in words is "fifty-two million, four hundred twenty thousand, sixty-eight".