56602020628 has 6 divisors (see below), whose sum is σ = 99053536106. Its totient is φ = 28301010312.

The previous prime is 56602020589. The next prime is 56602020653. The reversal of 56602020628 is 82602020665.

It can be written as a sum of positive squares in only one way, i.e., 54719502084 + 1882518544 = 233922^2 + 43388^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7075252575 + ... + 7075252582.

Almost surely, 2^56602020628 is an apocalyptic number.

It is an amenable number.

56602020628 is a deficient number, since it is larger than the sum of its proper divisors (42451515478).

56602020628 is a wasteful number, since it uses less digits than its factorization.

56602020628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14150505161 (or 14150505159 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 56602020628 its sum of digits (37), we get a palindrome (56602020665).

The spelling of 56602020628 in words is "fifty-six billion, six hundred two million, twenty thousand, six hundred twenty-eight".