69056561 has 8 divisors (see below), whose sum is σ = 81467904. Its totient is φ = 57281760.

The previous prime is 69056551. The next prime is 69056563. The reversal of 69056561 is 16565096.

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 69056561 - 2⁶ = 69056497 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (69056563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158900 + ... + 159333.

It is an arithmetic number, because the mean of its divisors is an integer number (10183488).

Almost surely, 2^69056561 is an apocalyptic number.

It is an amenable number.

69056561 is a deficient number, since it is larger than the sum of its proper divisors (12411343).

69056561 is a wasteful number, since it uses less digits than its factorization.

69056561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318271.

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 69056561 is about 8310.0277376192. The cubic root of 69056561 is about 410.2686341830.

The spelling of 69056561 in words is "sixty-nine million, fifty-six thousand, five hundred sixty-one".