52945669 has 4 divisors (see below), whose sum is σ = 60509344. Its totient is φ = 45381996.

The previous prime is 52945663. The next prime is 52945681. The reversal of 52945669 is 96654925.

52945669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52945669 - 2³ = 52945661 is a prime.

It is a super-2 number, since 2×52945669² = 5606487731715122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52945661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3781827 + ... + 3781840.

It is an arithmetic number, because the mean of its divisors is an integer number (15127336).

Almost surely, 2^52945669 is an apocalyptic number.

It is an amenable number.

52945669 is a deficient number, since it is larger than the sum of its proper divisors (7563675).

52945669 is an equidigital number, since it uses as much as digits as its factorization.

52945669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7563674.

The product of its digits is 583200, while the sum is 46.

The square root of 52945669 is about 7276.3774640957. The cubic root of 52945669 is about 375.5001776001.

The spelling of 52945669 in words is "fifty-two million, nine hundred forty-five thousand, six hundred sixty-nine".