55749065 has 4 divisors (see below), whose sum is σ = 66898884. Its totient is φ = 44599248.

The previous prime is 55749037. The next prime is 55749073. The reversal of 55749065 is 56094755.

55749065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 43414921 + 12334144 = 6589^2 + 3512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55749065 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5574902 + ... + 5574911.

It is an arithmetic number, because the mean of its divisors is an integer number (16724721).

Almost surely, 2^55749065 is an apocalyptic number.

It is an amenable number.

55749065 is a deficient number, since it is larger than the sum of its proper divisors (11149819).

55749065 is a wasteful number, since it uses less digits than its factorization.

55749065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11149818.

The product of its (nonzero) digits is 189000, while the sum is 41.

The square root of 55749065 is about 7466.5296490404. The cubic root of 55749065 is about 382.0139268334.

The spelling of 55749065 in words is "fifty-five million, seven hundred forty-nine thousand, sixty-five".