55606857 has 8 divisors (see below), whose sum is σ = 74178720. Its totient is φ = 37053120.

The previous prime is 55606853. The next prime is 55606883. The reversal of 55606857 is 75860655.

55606857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 55606857 - 2² = 55606853 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55606853) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6394 + ... + 12332.

It is an arithmetic number, because the mean of its divisors is an integer number (9272340).

Almost surely, 2^55606857 is an apocalyptic number.

It is an amenable number.

55606857 is a deficient number, since it is larger than the sum of its proper divisors (18571863).

55606857 is a wasteful number, since it uses less digits than its factorization.

55606857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9063.

The product of its (nonzero) digits is 252000, while the sum is 42.

The square root of 55606857 is about 7457.0005364087. Note that the first 3 decimals coincide. The cubic root of 55606857 is about 381.6888290388.

The spelling of 55606857 in words is "fifty-five million, six hundred six thousand, eight hundred fifty-seven".