55953689 has 8 divisors (see below), whose sum is σ = 64253280. Its totient is φ = 48189600.

The previous prime is 55953683. The next prime is 55953691. The reversal of 55953689 is 98635955.

55953689 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55953689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55953683) 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, 133652 + ... + 134069.

It is an arithmetic number, because the mean of its divisors is an integer number (8031660).

Almost surely, 2^55953689 is an apocalyptic number.

It is an amenable number.

55953689 is a deficient number, since it is larger than the sum of its proper divisors (8299591).

55953689 is a wasteful number, since it uses less digits than its factorization.

55953689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267751.

The product of its digits is 1458000, while the sum is 50.

The square root of 55953689 is about 7480.2198497103. The cubic root of 55953689 is about 382.4807434736.

The spelling of 55953689 in words is "fifty-five million, nine hundred fifty-three thousand, six hundred eighty-nine".