52945647 has 8 divisors (see below), whose sum is σ = 74309760. Its totient is φ = 33439320.

The previous prime is 52945603. The next prime is 52945649. The reversal of 52945647 is 74654925.

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

It is not a de Polignac number, because 52945647 - 2¹⁰ = 52944623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52945599 and 52945608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52945649) by changing a digit.

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, 464379 + ... + 464492.

It is an arithmetic number, because the mean of its divisors is an integer number (9288720).

Almost surely, 2^52945647 is an apocalyptic number.

52945647 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

52945647 is a deficient number, since it is larger than the sum of its proper divisors (21364113).

52945647 is a wasteful number, since it uses less digits than its factorization.

52945647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928893.

The product of its digits is 302400, while the sum is 42.

The square root of 52945647 is about 7276.3759523543. The cubic root of 52945647 is about 375.5001255908.

The spelling of 52945647 in words is "fifty-two million, nine hundred forty-five thousand, six hundred forty-seven".