55150210505197 has 2 divisors, whose sum is σ = 55150210505198. Its totient is φ = 55150210505196.

The previous prime is 55150210505183. The next prime is 55150210505347. The reversal of 55150210505197 is 79150501205155.

It is a happy number.

55150210505197 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 can be written as a sum of positive squares in only one way, i.e., 42390269229961 + 12759941275236 = 6510781^2 + 3572106^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55150210505197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55150210505167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27575105252598 + 27575105252599.

It is an arithmetic number, because the mean of its divisors is an integer number (27575105252599).

Almost surely, 2^{55150210505197} is an apocalyptic number.

It is an amenable number.

55150210505197 is a deficient number, since it is larger than the sum of its proper divisors (1).

55150210505197 is an equidigital number, since it uses as much as digits as its factorization.

55150210505197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 393750, while the sum is 46.

The spelling of 55150210505197 in words is "fifty-five trillion, one hundred fifty billion, two hundred ten million, five hundred five thousand, one hundred ninety-seven".