56525666 has 8 divisors (see below), whose sum is σ = 86388444. Its totient is φ = 27729520.

The previous prime is 56525657. The next prime is 56525671. The reversal of 56525666 is 66652565.

56525666 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 44422225 + 12103441 = 6665^2 + 3479^2 .

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

It is an unprimeable number.

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, 266525 + ... + 266736.

Almost surely, 2^56525666 is an apocalyptic number.

56525666 is a deficient number, since it is larger than the sum of its proper divisors (29862778).

56525666 is a wasteful number, since it uses less digits than its factorization.

56525666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533316.

The product of its digits is 324000, while the sum is 41.

The square root of 56525666 is about 7518.3552722653. The cubic root of 56525666 is about 383.7796089580.

The spelling of 56525666 in words is "fifty-six million, five hundred twenty-five thousand, six hundred sixty-six".