55006740561225 has 24 divisors (see below), whose sum is σ = 90945985557600. Its totient is φ = 29336441902720.

The previous prime is 55006740561203. The next prime is 55006740561259. The reversal of 55006740561225 is 52216504760055.

It is not a de Polignac number, because 55006740561225 - 2⁶ = 55006740561161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1503375 + ... + 10595924.

It is an arithmetic number, because the mean of its divisors is an integer number (3789416064900).

Almost surely, 2^{55006740561225} is an apocalyptic number.

It is an amenable number.

55006740561225 is a deficient number, since it is larger than the sum of its proper divisors (35939244996375).

55006740561225 is a wasteful number, since it uses less digits than its factorization.

55006740561225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12159929 (or 12159924 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 48.

The spelling of 55006740561225 in words is "fifty-five trillion, six billion, seven hundred forty million, five hundred sixty-one thousand, two hundred twenty-five".