56669530 has 8 divisors (see below), whose sum is σ = 102005172. Its totient is φ = 22667808.

The previous prime is 56669527. The next prime is 56669531. The reversal of 56669530 is 3596665.

56669530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 52577001 + 4092529 = 7251^2 + 2023^2 .

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

It is a super-2 number, since 2×56669530² = 6422871260841800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56669531) 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, 2833467 + ... + 2833486.

Almost surely, 2^56669530 is an apocalyptic number.

56669530 is a deficient number, since it is larger than the sum of its proper divisors (45335642).

56669530 is a wasteful number, since it uses less digits than its factorization.

56669530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5666960.

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 56669530 is about 7527.9167104850. The cubic root of 56669530 is about 384.1049201510.

The spelling of 56669530 in words is "fifty-six million, six hundred sixty-nine thousand, five hundred thirty".