55359185207 has 2 divisors, whose sum is σ = 55359185208. Its totient is φ = 55359185206.

The previous prime is 55359185201. The next prime is 55359185257. The reversal of 55359185207 is 70258195355.

55359185207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (55359185257) can be obtained adding 55359185207 to its sum of digits (50).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55359185207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55359185201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27679592603 + 27679592604.

It is an arithmetic number, because the mean of its divisors is an integer number (27679592604).

Almost surely, 2^55359185207 is an apocalyptic number.

55359185207 is a deficient number, since it is larger than the sum of its proper divisors (1).

55359185207 is an equidigital number, since it uses as much as digits as its factorization.

55359185207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890000, while the sum is 50.

The spelling of 55359185207 in words is "fifty-five billion, three hundred fifty-nine million, one hundred eighty-five thousand, two hundred seven".