55505255035025 has 12 divisors (see below), whose sum is σ = 70125129759132. Its totient is φ = 43566388856640.

The previous prime is 55505255034991. The next prime is 55505255035031. The reversal of 55505255035025 is 52053055250555.

It can be written as a sum of positive squares in 6 ways, for example, as 4246055875216 + 51259199159809 = 2060596^2 + 7159553^2 .

It is not a de Polignac number, because 55505255035025 - 2²⁴ = 55505238257809 is a prime.

It is a super-2 number, since 2×55505255035025² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20945377934 + ... + 20945380583.

It is an arithmetic number, because the mean of its divisors is an integer number (5843760813261).

Almost surely, 2^{55505255035025} is an apocalyptic number.

It is an amenable number.

55505255035025 is a deficient number, since it is larger than the sum of its proper divisors (14619874724107).

55505255035025 is a wasteful number, since it uses less digits than its factorization.

55505255035025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41890758580 (or 41890758575 counting only the distinct ones).

The product of its (nonzero) digits is 4687500, while the sum is 47.

The spelling of 55505255035025 in words is "fifty-five trillion, five hundred five billion, two hundred fifty-five million, thirty-five thousand, twenty-five".