56603216 has 10 divisors (see below), whose sum is σ = 109668762. Its totient is φ = 28301600.

The previous prime is 56603213. The next prime is 56603221. The reversal of 56603216 is 61230665.

It can be written as a sum of positive squares in only one way, i.e., 50353216 + 6250000 = 7096^2 + 2500^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56603213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1768835 + ... + 1768866.

Almost surely, 2^56603216 is an apocalyptic number.

It is an amenable number.

56603216 is a deficient number, since it is larger than the sum of its proper divisors (53065546).

56603216 is a wasteful number, since it uses less digits than its factorization.

56603216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3537709 (or 3537703 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 56603216 is about 7523.5108825601. The cubic root of 56603216 is about 383.9550366914.

The spelling of 56603216 in words is "fifty-six million, six hundred three thousand, two hundred sixteen".