56771603 has 8 divisors (see below), whose sum is σ = 64956672. Its totient is φ = 48605256.

The previous prime is 56771581. The next prime is 56771623. The reversal of 56771603 is 30617765.

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

It is a de Polignac number, because none of the positive numbers 2^k-56771603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56771623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2576 + ... + 10962.

It is an arithmetic number, because the mean of its divisors is an integer number (8119584).

Almost surely, 2^56771603 is an apocalyptic number.

56771603 is a deficient number, since it is larger than the sum of its proper divisors (8185069).

56771603 is an equidigital number, since it uses as much as digits as its factorization.

56771603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9361.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 56771603 is about 7534.6932917007. The cubic root of 56771603 is about 384.3353980660.

The spelling of 56771603 in words is "fifty-six million, seven hundred seventy-one thousand, six hundred three".