52245489 has 8 divisors (see below), whose sum is σ = 72689472. Its totient is φ = 33315920.

The previous prime is 52245419. The next prime is 52245491. The reversal of 52245489 is 98454225.

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 52245489 - 2¹¹ = 52243441 is a prime.

It is a super-2 number, since 2×52245489² = 5459182241698242, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52245409) 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, 378522 + ... + 378659.

It is an arithmetic number, because the mean of its divisors is an integer number (9086184).

Almost surely, 2^52245489 is an apocalyptic number.

It is an amenable number.

52245489 is a deficient number, since it is larger than the sum of its proper divisors (20443983).

52245489 is a wasteful number, since it uses less digits than its factorization.

52245489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757207.

The product of its digits is 115200, while the sum is 39.

The square root of 52245489 is about 7228.1041082707. The cubic root of 52245489 is about 373.8375594530.

The spelling of 52245489 in words is "fifty-two million, two hundred forty-five thousand, four hundred eighty-nine".