55245341251 has 2 divisors, whose sum is σ = 55245341252. Its totient is φ = 55245341250.

The previous prime is 55245341231. The next prime is 55245341267. The reversal of 55245341251 is 15214354255.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55245341251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55245341251.

It is not a weakly prime, because it can be changed into another prime (55245341231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27622670625 + 27622670626.

It is an arithmetic number, because the mean of its divisors is an integer number (27622670626).

Almost surely, 2^55245341251 is an apocalyptic number.

55245341251 is a deficient number, since it is larger than the sum of its proper divisors (1).

55245341251 is an equidigital number, since it uses as much as digits as its factorization.

55245341251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120000, while the sum is 37.

The spelling of 55245341251 in words is "fifty-five billion, two hundred forty-five million, three hundred forty-one thousand, two hundred fifty-one".