55969563 has 8 divisors (see below), whose sum is σ = 80366608. Its totient is φ = 34442784.

The previous prime is 55969561. The next prime is 55969597. The reversal of 55969563 is 36596955.

55969563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55969563 - 2¹ = 55969561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55969561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717520 + ... + 717597.

It is an arithmetic number, because the mean of its divisors is an integer number (10045826).

Almost surely, 2^55969563 is an apocalyptic number.

55969563 is a deficient number, since it is larger than the sum of its proper divisors (24397045).

55969563 is a wasteful number, since it uses less digits than its factorization.

55969563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435133.

The product of its digits is 1093500, while the sum is 48.

The square root of 55969563 is about 7481.2808395354. The cubic root of 55969563 is about 382.5169098424.

The spelling of 55969563 in words is "fifty-five million, nine hundred sixty-nine thousand, five hundred sixty-three".