56603536642 has 4 divisors (see below), whose sum is σ = 84905304966. Its totient is φ = 28301768320.

The previous prime is 56603536603. The next prime is 56603536711. The reversal of 56603536642 is 24663530665.

56603536642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24663530665 = 5 ⋅4932706133.

It can be written as a sum of positive squares in only one way, i.e., 53490900961 + 3112635681 = 231281^2 + 55791^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56603536592 and 56603536601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14150884159 + ... + 14150884162.

Almost surely, 2^56603536642 is an apocalyptic number.

56603536642 is a deficient number, since it is larger than the sum of its proper divisors (28301768324).

56603536642 is a wasteful number, since it uses less digits than its factorization.

56603536642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28301768323.

The product of its (nonzero) digits is 2332800, while the sum is 46.

The spelling of 56603536642 in words is "fifty-six billion, six hundred three million, five hundred thirty-six thousand, six hundred forty-two".