56069945 has 8 divisors (see below), whose sum is σ = 67515336. Its totient is φ = 44701696.

The previous prime is 56069939. The next prime is 56069957. The reversal of 56069945 is 54996065.

It can be written as a sum of positive squares in 4 ways, for example, as 30294016 + 25775929 = 5504^2 + 5077^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56069945 - 2¹⁰ = 56068921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56069896 and 56069905.

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, 17672 + ... + 20601.

It is an arithmetic number, because the mean of its divisors is an integer number (8439417).

Almost surely, 2^56069945 is an apocalyptic number.

It is an amenable number.

56069945 is a deficient number, since it is larger than the sum of its proper divisors (11445391).

56069945 is a wasteful number, since it uses less digits than its factorization.

56069945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38571.

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 56069945 is about 7487.9867120609. The cubic root of 56069945 is about 382.7454559640.

It can be divided in two parts, 5606 and 9945, that added together give a palindrome (15551).

The spelling of 56069945 in words is "fifty-six million, sixty-nine thousand, nine hundred forty-five".