56145470645 has 32 divisors (see below), whose sum is σ = 74329315200. Its totient is φ = 40372899840.

The previous prime is 56145470629. The next prime is 56145470663. The reversal of 56145470645 is 54607454165.

56145470645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56145470645 - 2⁴ = 56145470629 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56145470645.

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, 6200081 + ... + 6209129.

It is an arithmetic number, because the mean of its divisors is an integer number (2322791100).

Almost surely, 2^56145470645 is an apocalyptic number.

56145470645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56145470645 is a deficient number, since it is larger than the sum of its proper divisors (18183844555).

56145470645 is a wasteful number, since it uses less digits than its factorization.

56145470645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10325.

The product of its (nonzero) digits is 2016000, while the sum is 47.

The spelling of 56145470645 in words is "fifty-six billion, one hundred forty-five million, four hundred seventy thousand, six hundred forty-five".