55500027505 has 8 divisors (see below), whose sum is σ = 71723112552. Its totient is φ = 40984635648.

The previous prime is 55500027461. The next prime is 55500027509. The reversal of 55500027505 is 50572000555.

It can be written as a sum of positive squares in 4 ways, for example, as 222845184 + 55277182321 = 14928^2 + 235111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55500027505 - 2¹¹ = 55500025457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55500027509) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 426923224 + ... + 426923353.

It is an arithmetic number, because the mean of its divisors is an integer number (8965389069).

Almost surely, 2^55500027505 is an apocalyptic number.

It is an amenable number.

55500027505 is a deficient number, since it is larger than the sum of its proper divisors (16223085047).

55500027505 is a wasteful number, since it uses less digits than its factorization.

55500027505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853846595.

The product of its (nonzero) digits is 43750, while the sum is 34.

The spelling of 55500027505 in words is "fifty-five billion, five hundred million, twenty-seven thousand, five hundred five".