56569849 has 8 divisors (see below), whose sum is σ = 65747520. Its totient is φ = 47666256.

The previous prime is 56569847. The next prime is 56569867. The reversal of 56569849 is 94896565.

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 56569849 - 2¹ = 56569847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56569796 and 56569805.

It is not an unprimeable number, because it can be changed into a prime (56569841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68074 + ... + 68899.

It is an arithmetic number, because the mean of its divisors is an integer number (8218440).

Almost surely, 2^56569849 is an apocalyptic number.

56569849 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

56569849 is a deficient number, since it is larger than the sum of its proper divisors (9177671).

56569849 is a wasteful number, since it uses less digits than its factorization.

56569849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137039.

The product of its digits is 2332800, while the sum is 52.

The square root of 56569849 is about 7521.2930404286. The cubic root of 56569849 is about 383.8795760442.

The spelling of 56569849 in words is "fifty-six million, five hundred sixty-nine thousand, eight hundred forty-nine".