56359969 has 4 divisors (see below), whose sum is σ = 56412720. Its totient is φ = 56307220.

The previous prime is 56359957. The next prime is 56359973. The reversal of 56359969 is 96995365.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96995365 = 5 ⋅19399073.

It is a cyclic number.

It is not a de Polignac number, because 56359969 - 2⁵ = 56359937 is a prime.

It is a super-2 number, since 2×56359969² = 6352892211361922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56350969) 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, 24739 + ... + 26920.

It is an arithmetic number, because the mean of its divisors is an integer number (14103180).

Almost surely, 2^56359969 is an apocalyptic number.

It is an amenable number.

56359969 is a deficient number, since it is larger than the sum of its proper divisors (52751).

56359969 is a wasteful number, since it uses less digits than its factorization.

56359969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52750.

The product of its digits is 1968300, while the sum is 52.

The square root of 56359969 is about 7507.3276870002. The cubic root of 56359969 is about 383.4042433828.

The spelling of 56359969 in words is "fifty-six million, three hundred fifty-nine thousand, nine hundred sixty-nine".