56388602 has 4 divisors (see below), whose sum is σ = 84582906. Its totient is φ = 28194300.

The previous prime is 56388593. The next prime is 56388649. The reversal of 56388602 is 20688365.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 45306361 + 11082241 = 6731^2 + 3329^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14097149 + ... + 14097152.

Almost surely, 2^56388602 is an apocalyptic number.

56388602 is a deficient number, since it is larger than the sum of its proper divisors (28194304).

56388602 is a wasteful number, since it uses less digits than its factorization.

56388602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28194303.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 56388602 is about 7509.2344483309. The cubic root of 56388602 is about 383.4691603522.

The spelling of 56388602 in words is "fifty-six million, three hundred eighty-eight thousand, six hundred two".