55605650506550 has 12 divisors (see below), whose sum is σ = 103426509942276. Its totient is φ = 22242260202600.

The previous prime is 55605650506541. The next prime is 55605650506559. The reversal of 55605650506550 is 5560505650655.

It is an interprime number because it is at equal distance from previous prime (55605650506541) and next prime (55605650506559).

It is a junction number, because it is equal to n+sod(n) for n = 55605650506492 and 55605650506501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55605650506559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556056505016 + ... + 556056505115.

It is an arithmetic number, because the mean of its divisors is an integer number (8618875828523).

Almost surely, 2^{55605650506550} is an apocalyptic number.

55605650506550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55605650506550 is a deficient number, since it is larger than the sum of its proper divisors (47820859435726).

55605650506550 is a wasteful number, since it uses less digits than its factorization.

55605650506550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112113010143 (or 1112113010138 counting only the distinct ones).

The product of its (nonzero) digits is 16875000, while the sum is 53.

The spelling of 55605650506550 in words is "fifty-five trillion, six hundred five billion, six hundred fifty million, five hundred six thousand, five hundred fifty".