55005100505055 has 48 divisors (see below), whose sum is σ = 95534867727936. Its totient is φ = 29276823098880.

The previous prime is 55005100505051. The next prime is 55005100505057. The reversal of 55005100505055 is 55050500150055.

It is a happy number.

55005100505055 is a `hidden beast` number, since 5 + 50 + 0 + 51 + 0 + 0 + 50 + 505 + 5 = 666.

It is not a de Polignac number, because 55005100505055 - 2² = 55005100505051 is a prime.

It is a super-2 number, since 2×55005100505055² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005100505051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43592409 + ... + 44836461.

It is an arithmetic number, because the mean of its divisors is an integer number (1990309744332).

Almost surely, 2^{55005100505055} is an apocalyptic number.

55005100505055 is a deficient number, since it is larger than the sum of its proper divisors (40529767222881).

55005100505055 is a wasteful number, since it uses less digits than its factorization.

55005100505055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246048 (or 1246045 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 36.

The spelling of 55005100505055 in words is "fifty-five trillion, five billion, one hundred million, five hundred five thousand, fifty-five".