56000551605651 has 16 divisors (see below), whose sum is σ = 87330294902400. Its totient is φ = 35368769434824.

The previous prime is 56000551605643. The next prime is 56000551605659. The reversal of 56000551605651 is 15650615500065.

It is an interprime number because it is at equal distance from previous prime (56000551605643) and next prime (56000551605659).

It is not a de Polignac number, because 56000551605651 - 2³ = 56000551605643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56000551605597 and 56000551605606.

It is not an unprimeable number, because it can be changed into a prime (56000551605659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54581433801 + ... + 54581434826.

It is an arithmetic number, because the mean of its divisors is an integer number (5458143431400).

Almost surely, 2^{56000551605651} is an apocalyptic number.

56000551605651 is a deficient number, since it is larger than the sum of its proper divisors (31329743296749).

56000551605651 is a wasteful number, since it uses less digits than its factorization.

56000551605651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109162868655 (or 109162868649 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The spelling of 56000551605651 in words is "fifty-six trillion, five hundred fifty-one million, six hundred five thousand, six hundred fifty-one".