55016305 has 8 divisors (see below), whose sum is σ = 69494400. Its totient is φ = 41696496.

The previous prime is 55016303. The next prime is 55016341. The reversal of 55016305 is 50361055.

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 55016305 - 2¹ = 55016303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55016305.

It is not an unprimeable number, because it can be changed into a prime (55016303) 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, 289465 + ... + 289654.

It is an arithmetic number, because the mean of its divisors is an integer number (8686800).

Almost surely, 2^55016305 is an apocalyptic number.

It is an amenable number.

55016305 is a deficient number, since it is larger than the sum of its proper divisors (14478095).

55016305 is a wasteful number, since it uses less digits than its factorization.

55016305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579143.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 55016305 is about 7417.2976885116. The cubic root of 55016305 is about 380.3328224479.

The spelling of 55016305 in words is "fifty-five million, sixteen thousand, three hundred five".