55859906 has 8 divisors (see below), whose sum is σ = 83924544. Its totient is φ = 27885060.

The previous prime is 55859849. The next prime is 55859927. The reversal of 55859906 is 60995855.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20870 + ... + 23393.

It is an arithmetic number, because the mean of its divisors is an integer number (10490568).

Almost surely, 2^55859906 is an apocalyptic number.

55859906 is a deficient number, since it is larger than the sum of its proper divisors (28064638).

55859906 is a wasteful number, since it uses less digits than its factorization.

55859906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44896.

The product of its (nonzero) digits is 486000, while the sum is 47.

The square root of 55859906 is about 7473.9484879145. The cubic root of 55859906 is about 382.2669342124.

It can be divided in two parts, 55859 and 906, that added together give a palindrome (56765).

The spelling of 55859906 in words is "fifty-five million, eight hundred fifty-nine thousand, nine hundred six".