55421302103225 has 12 divisors (see below), whose sum is σ = 71710345678656. Its totient is φ = 42409344217680.

The previous prime is 55421302103221. The next prime is 55421302103267. The reversal of 55421302103225 is 52230120312455.

It is not a de Polignac number, because 55421302103225 - 2² = 55421302103221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55421302103221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48192436037 + ... + 48192437186.

It is an arithmetic number, because the mean of its divisors is an integer number (5975862139888).

Almost surely, 2^{55421302103225} is an apocalyptic number.

It is an amenable number.

55421302103225 is a deficient number, since it is larger than the sum of its proper divisors (16289043575431).

55421302103225 is a wasteful number, since it uses less digits than its factorization.

55421302103225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96384873256 (or 96384873251 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 55421302103225 in words is "fifty-five trillion, four hundred twenty-one billion, three hundred two million, one hundred three thousand, two hundred twenty-five".