56287285 has 8 divisors (see below), whose sum is σ = 67785120. Its totient is φ = 44869584.

The previous prime is 56287271. The next prime is 56287321. The reversal of 56287285 is 58278265.

56287285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 56287285 - 2¹⁷ = 56156213 is a prime.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 18475 + ... + 21304.

It is an arithmetic number, because the mean of its divisors is an integer number (8473140).

Almost surely, 2^56287285 is an apocalyptic number.

It is an amenable number.

56287285 is a deficient number, since it is larger than the sum of its proper divisors (11497835).

56287285 is a wasteful number, since it uses less digits than its factorization.

56287285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40067.

The product of its digits is 268800, while the sum is 43.

The square root of 56287285 is about 7502.4852549005. The cubic root of 56287285 is about 383.2393548238.

The spelling of 56287285 in words is "fifty-six million, two hundred eighty-seven thousand, two hundred eighty-five".