56445430651 has 4 divisors (see below), whose sum is σ = 56447710704. Its totient is φ = 56443150600.

The previous prime is 56445430537. The next prime is 56445430693. The reversal of 56445430651 is 15603454465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15603454465 = 5 ⋅3120690893.

It is a cyclic number.

It is not a de Polignac number, because 56445430651 - 2²³ = 56437042043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56445430598 and 56445430607.

It is not an unprimeable number, because it can be changed into a prime (56445430351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1102480 + ... + 1152541.

It is an arithmetic number, because the mean of its divisors is an integer number (14111927676).

Almost surely, 2^56445430651 is an apocalyptic number.

56445430651 is a deficient number, since it is larger than the sum of its proper divisors (2280053).

56445430651 is a wasteful number, since it uses less digits than its factorization.

56445430651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280052.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 56445430651 in words is "fifty-six billion, four hundred forty-five million, four hundred thirty thousand, six hundred fifty-one".