55808607 has 8 divisors (see below), whose sum is σ = 75247920. Its totient is φ = 36787520.

The previous prime is 55808581. The next prime is 55808647. The reversal of 55808607 is 70680855.

It is a happy number.

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 55808607 - 2¹¹ = 55806559 is a prime.

It is a super-2 number, since 2×55808607² = 6229201230560898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55808647) 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, 104244 + ... + 104777.

It is an arithmetic number, because the mean of its divisors is an integer number (9405990).

Almost surely, 2^55808607 is an apocalyptic number.

55808607 is a deficient number, since it is larger than the sum of its proper divisors (19439313).

55808607 is a wasteful number, since it uses less digits than its factorization.

55808607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209113.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 55808607 is about 7470.5158456428. The cubic root of 55808607 is about 382.1498799669.

The spelling of 55808607 in words is "fifty-five million, eight hundred eight thousand, six hundred seven".