55955965 has 8 divisors (see below), whose sum is σ = 72312408. Its totient is φ = 41321280.

The previous prime is 55955929. The next prime is 55955981. The reversal of 55955965 is 56955955.

It can be written as a sum of positive squares in 4 ways, for example, as 5631129 + 50324836 = 2373^2 + 7094^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-55955965 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430366 + ... + 430495.

It is an arithmetic number, because the mean of its divisors is an integer number (9039051).

Almost surely, 2^55955965 is an apocalyptic number.

It is an amenable number.

55955965 is a deficient number, since it is larger than the sum of its proper divisors (16356443).

55955965 is a wasteful number, since it uses less digits than its factorization.

55955965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860879.

The product of its digits is 1518750, while the sum is 49.

The square root of 55955965 is about 7480.3719827292. The cubic root of 55955965 is about 382.4859293954.

The spelling of 55955965 in words is "fifty-five million, nine hundred fifty-five thousand, nine hundred sixty-five".