55056305 has 8 divisors (see below), whose sum is σ = 66133800. Its totient is φ = 44000896.

The previous prime is 55056301. The next prime is 55056329. The reversal of 55056305 is 50365055.

It can be written as a sum of positive squares in 4 ways, for example, as 1459264 + 53597041 = 1208^2 + 7321^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 55056305 - 2² = 55056301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55056301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581 + ... + 10509.

It is an arithmetic number, because the mean of its divisors is an integer number (8266725).

Almost surely, 2^55056305 is an apocalyptic number.

It is an amenable number.

55056305 is a deficient number, since it is larger than the sum of its proper divisors (11077495).

55056305 is a wasteful number, since it uses less digits than its factorization.

55056305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11043.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 55056305 is about 7419.9935983800. The cubic root of 55056305 is about 380.4249746890.

The spelling of 55056305 in words is "fifty-five million, fifty-six thousand, three hundred five".