55245617 has 8 divisors (see below), whose sum is σ = 63186816. Its totient is φ = 47316672.

The previous prime is 55245613. The next prime is 55245629. The reversal of 55245617 is 71654255.

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 55245617 - 2² = 55245613 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55245613) 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, 10793 + ... + 15065.

It is an arithmetic number, because the mean of its divisors is an integer number (7898352).

Almost surely, 2^55245617 is an apocalyptic number.

It is an amenable number.

55245617 is a deficient number, since it is larger than the sum of its proper divisors (7941199).

55245617 is a wasteful number, since it uses less digits than its factorization.

55245617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6127.

The product of its digits is 42000, while the sum is 35.

The square root of 55245617 is about 7432.7395353261. The cubic root of 55245617 is about 380.8605083604.

The spelling of 55245617 in words is "fifty-five million, two hundred forty-five thousand, six hundred seventeen".