55606407 has 8 divisors (see below), whose sum is σ = 78044160. Its totient is φ = 35119800.

The previous prime is 55606393. The next prime is 55606423. The reversal of 55606407 is 70460655.

55606407 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 55606407 - 2⁴ = 55606391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55606477) 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, 487719 + ... + 487832.

It is an arithmetic number, because the mean of its divisors is an integer number (9755520).

Almost surely, 2^55606407 is an apocalyptic number.

55606407 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

55606407 is a deficient number, since it is larger than the sum of its proper divisors (22437753).

55606407 is a wasteful number, since it uses less digits than its factorization.

55606407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975573.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 55606407 is about 7456.9703633580. The cubic root of 55606407 is about 381.6877994269.

The spelling of 55606407 in words is "fifty-five million, six hundred six thousand, four hundred seven".