56453754578 has 16 divisors (see below), whose sum is σ = 91199096856. Its totient is φ = 26054273280.

The previous prime is 56453754569. The next prime is 56453754589. The reversal of 56453754578 is 87545735465.

It can be written as a sum of positive squares in 4 ways, for example, as 36579240049 + 19874514529 = 191257^2 + 140977^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643100 + ... + 725592.

Almost surely, 2^56453754578 is an apocalyptic number.

56453754578 is a deficient number, since it is larger than the sum of its proper divisors (34745342278).

56453754578 is a wasteful number, since it uses less digits than its factorization.

56453754578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108829.

The product of its digits is 70560000, while the sum is 59.

The spelling of 56453754578 in words is "fifty-six billion, four hundred fifty-three million, seven hundred fifty-four thousand, five hundred seventy-eight".