56857603 has 16 divisors (see below), whose sum is σ = 64683360. Its totient is φ = 49504000.

The previous prime is 56857597. The next prime is 56857609. The reversal of 56857603 is 30675865.

It is an interprime number because it is at equal distance from previous prime (56857597) and next prime (56857609).

It is a cyclic number.

It is not a de Polignac number, because 56857603 - 2⁹ = 56857091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56857609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43053 + ... + 44353.

It is an arithmetic number, because the mean of its divisors is an integer number (4042710).

Almost surely, 2^56857603 is an apocalyptic number.

56857603 is a deficient number, since it is larger than the sum of its proper divisors (7825757).

56857603 is a wasteful number, since it uses less digits than its factorization.

56857603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 56857603 is about 7540.3980664153. The cubic root of 56857603 is about 384.5293692686.

The spelling of 56857603 in words is "fifty-six million, eight hundred fifty-seven thousand, six hundred three".