52420985 has 8 divisors (see below), whose sum is σ = 62986560. Its totient is φ = 41882544.

The previous prime is 52420967. The next prime is 52420987. The reversal of 52420985 is 58902425.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52420985 - 2⁸ = 52420729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52420987) 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, 2255 + ... + 10484.

It is an arithmetic number, because the mean of its divisors is an integer number (7873320).

Almost surely, 2^52420985 is an apocalyptic number.

It is an amenable number.

52420985 is a deficient number, since it is larger than the sum of its proper divisors (10565575).

52420985 is a wasteful number, since it uses less digits than its factorization.

52420985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13567.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 52420985 is about 7240.2337669443. The cubic root of 52420985 is about 374.2556732141.

The spelling of 52420985 in words is "fifty-two million, four hundred twenty thousand, nine hundred eighty-five".