56280566 has 8 divisors (see below), whose sum is σ = 84546504. Its totient is φ = 28098400.

The previous prime is 56280547. The next prime is 56280571. The reversal of 56280566 is 66508265.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19235 + ... + 21966.

It is an arithmetic number, because the mean of its divisors is an integer number (10568313).

Almost surely, 2^56280566 is an apocalyptic number.

56280566 is a deficient number, since it is larger than the sum of its proper divisors (28265938).

56280566 is a wasteful number, since it uses less digits than its factorization.

56280566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41886.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 56280566 is about 7502.0374565847. The cubic root of 56280566 is about 383.2241051530.

The spelling of 56280566 in words is "fifty-six million, two hundred eighty thousand, five hundred sixty-six".