55415533040255 has 16 divisors (see below), whose sum is σ = 66539632689504. Its totient is φ = 44305099893120.

The previous prime is 55415533040251. The next prime is 55415533040281. The reversal of 55415533040255 is 55204033551455.

It is not a de Polignac number, because 55415533040255 - 2² = 55415533040251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55415533040251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229578209 + ... + 229819461.

It is an arithmetic number, because the mean of its divisors is an integer number (4158727043094).

Almost surely, 2^{55415533040255} is an apocalyptic number.

55415533040255 is a deficient number, since it is larger than the sum of its proper divisors (11124099649249).

55415533040255 is a wasteful number, since it uses less digits than its factorization.

55415533040255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269386.

The product of its (nonzero) digits is 4500000, while the sum is 47.

The spelling of 55415533040255 in words is "fifty-five trillion, four hundred fifteen billion, five hundred thirty-three million, forty thousand, two hundred fifty-five".