55551210546225 has 96 divisors (see below), whose sum is σ = 98867518859520. Its totient is φ = 27420189696000.

The previous prime is 55551210546211. The next prime is 55551210546233. The reversal of 55551210546225 is 52264501215555.

It is not a de Polignac number, because 55551210546225 - 2⁹ = 55551210545713 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 301752756 + ... + 301936794.

It is an arithmetic number, because the mean of its divisors is an integer number (1029869988120).

Almost surely, 2^{55551210546225} is an apocalyptic number.

It is an amenable number.

55551210546225 is a deficient number, since it is larger than the sum of its proper divisors (43316308313295).

55551210546225 is a wasteful number, since it uses less digits than its factorization.

55551210546225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188011 (or 188006 counting only the distinct ones).

The product of its (nonzero) digits is 3000000, while the sum is 48.

The spelling of 55551210546225 in words is "fifty-five trillion, five hundred fifty-one billion, two hundred ten million, five hundred forty-six thousand, two hundred twenty-five".