56578244045 has 4 divisors (see below), whose sum is σ = 67893892860. Its totient is φ = 45262595232.

The previous prime is 56578244003. The next prime is 56578244059. The reversal of 56578244045 is 54044287565.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16155935236 + 40422308809 = 127106^2 + 201053^2 .

It is a cyclic number.

It is not a de Polignac number, because 56578244045 - 2²⁶ = 56511135181 is a prime.

It is a super-3 number, since 3×56578244045³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56578243984 and 56578244002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5657824400 + ... + 5657824409.

It is an arithmetic number, because the mean of its divisors is an integer number (16973473215).

Almost surely, 2^56578244045 is an apocalyptic number.

It is an amenable number.

56578244045 is a deficient number, since it is larger than the sum of its proper divisors (11315648815).

56578244045 is a wasteful number, since it uses less digits than its factorization.

56578244045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11315648814.

The product of its (nonzero) digits is 5376000, while the sum is 50.

The spelling of 56578244045 in words is "fifty-six billion, five hundred seventy-eight million, two hundred forty-four thousand, forty-five".