55055607 has 4 divisors (see below), whose sum is σ = 73407480. Its totient is φ = 36703736.

The previous prime is 55055603. The next prime is 55055617. The reversal of 55055607 is 70655055.

55055607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55055607 - 2² = 55055603 is a prime.

It is a super-2 number, since 2×55055607² = 6062239724276898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055603) 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 3 ways as a sum of consecutive naturals, for example, 9175932 + ... + 9175937.

It is an arithmetic number, because the mean of its divisors is an integer number (18351870).

Almost surely, 2^55055607 is an apocalyptic number.

55055607 is a deficient number, since it is larger than the sum of its proper divisors (18351873).

55055607 is a wasteful number, since it uses less digits than its factorization.

55055607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18351872.

The product of its (nonzero) digits is 26250, while the sum is 33.

The square root of 55055607 is about 7419.9465631499. The cubic root of 55055607 is about 380.4233670151.

The spelling of 55055607 in words is "fifty-five million, fifty-five thousand, six hundred seven".