56086969 has 4 divisors (see below), whose sum is σ = 56228644. Its totient is φ = 55945296.

The previous prime is 56086963. The next prime is 56086981. The reversal of 56086969 is 96968065.

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 21040569 + 35046400 = 4587^2 + 5920^2 .

It is a cyclic number.

It is not a de Polignac number, because 56086969 - 2¹³ = 56078777 is a prime.

It is a super-2 number, since 2×56086969² = 6291496183213922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56086963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70242 + ... + 71035.

It is an arithmetic number, because the mean of its divisors is an integer number (14057161).

Almost surely, 2^56086969 is an apocalyptic number.

It is an amenable number.

56086969 is a deficient number, since it is larger than the sum of its proper divisors (141675).

56086969 is a wasteful number, since it uses less digits than its factorization.

56086969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141674.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 56086969 is about 7489.1233799424. The cubic root of 56086969 is about 382.7841885346.

The spelling of 56086969 in words is "fifty-six million, eighty-six thousand, nine hundred sixty-nine".