55845607 has 2 divisors, whose sum is σ = 55845608. Its totient is φ = 55845606.

The previous prime is 55845599. The next prime is 55845641. The reversal of 55845607 is 70654855.

55845607 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55845607 - 2³ = 55845599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55845607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55845007) 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 as a sum of consecutive naturals, namely, 27922803 + 27922804.

It is an arithmetic number, because the mean of its divisors is an integer number (27922804).

Almost surely, 2^55845607 is an apocalyptic number.

55845607 is a deficient number, since it is larger than the sum of its proper divisors (1).

55845607 is an equidigital number, since it uses as much as digits as its factorization.

55845607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 55845607 is about 7472.9918372764. The cubic root of 55845607 is about 382.2343139084.

The spelling of 55845607 in words is "fifty-five million, eight hundred forty-five thousand, six hundred seven".