55930849 has 4 divisors (see below), whose sum is σ = 60233236. Its totient is φ = 51628464.

The previous prime is 55930841. The next prime is 55930873. The reversal of 55930849 is 94803955.

It is a happy number.

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 20611600 + 35319249 = 4540^2 + 5943^2 .

It is a cyclic number.

It is not a de Polignac number, because 55930849 - 2³ = 55930841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55930841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2151174 + ... + 2151199.

It is an arithmetic number, because the mean of its divisors is an integer number (15058309).

Almost surely, 2^55930849 is an apocalyptic number.

It is an amenable number.

55930849 is a deficient number, since it is larger than the sum of its proper divisors (4302387).

55930849 is a wasteful number, since it uses less digits than its factorization.

55930849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4302386.

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 55930849 is about 7478.6930007856. The cubic root of 55930849 is about 382.4286941851.

The spelling of 55930849 in words is "fifty-five million, nine hundred thirty thousand, eight hundred forty-nine".