56601603 has 12 divisors (see below), whose sum is σ = 81850080. Its totient is φ = 37691856.

The previous prime is 56601593. The next prime is 56601613. The reversal of 56601603 is 30610665.

56601603 is a `hidden beast` number, since 56 + 6 + 0 + 1 + 603 = 666.

It is an interprime number because it is at equal distance from previous prime (56601593) and next prime (56601613).

It is not a de Polignac number, because 56601603 - 2²¹ = 54504451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56601613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6325 + ... + 12377.

It is an arithmetic number, because the mean of its divisors is an integer number (6820840).

Almost surely, 2^56601603 is an apocalyptic number.

56601603 is a deficient number, since it is larger than the sum of its proper divisors (25248477).

56601603 is a wasteful number, since it uses less digits than its factorization.

56601603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7098 (or 7095 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 56601603 is about 7523.4036845034. The cubic root of 56601603 is about 383.9513895172.

The spelling of 56601603 in words is "fifty-six million, six hundred one thousand, six hundred three".