56603285 has 8 divisors (see below), whose sum is σ = 71919576. Its totient is φ = 42618880.

The previous prime is 56603279. The next prime is 56603297. The reversal of 56603285 is 58230665.

It can be written as a sum of positive squares in 4 ways, for example, as 21473956 + 35129329 = 4634^2 + 5927^2 .

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

It is not a de Polignac number, because 56603285 - 2⁴ = 56603269 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 332876 + ... + 333045.

It is an arithmetic number, because the mean of its divisors is an integer number (8989947).

Almost surely, 2^56603285 is an apocalyptic number.

It is an amenable number.

56603285 is a deficient number, since it is larger than the sum of its proper divisors (15316291).

56603285 is a wasteful number, since it uses less digits than its factorization.

56603285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665943.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 56603285 is about 7523.5154681837. The cubic root of 56603285 is about 383.9551927066.

The spelling of 56603285 in words is "fifty-six million, six hundred three thousand, two hundred eighty-five".