56672306845 has 32 divisors (see below), whose sum is σ = 84805906176. Its totient is φ = 35320588800.

The previous prime is 56672306777. The next prime is 56672306857. The reversal of 56672306845 is 54860327665.

It is not a de Polignac number, because 56672306845 - 2⁹ = 56672306333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56672306792 and 56672306801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2164935 + ... + 2190955.

It is an arithmetic number, because the mean of its divisors is an integer number (2650184568).

Almost surely, 2^56672306845 is an apocalyptic number.

56672306845 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56672306845 is a deficient number, since it is larger than the sum of its proper divisors (28133599331).

56672306845 is a wasteful number, since it uses less digits than its factorization.

56672306845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31701.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 56672306845 in words is "fifty-six billion, six hundred seventy-two million, three hundred six thousand, eight hundred forty-five".