55500566506 has 32 divisors (see below), whose sum is σ = 103917219840. Its totient is φ = 21597774000.

The previous prime is 55500566503. The next prime is 55500566551. The reversal of 55500566506 is 60566500555.

It is not an unprimeable number, because it can be changed into a prime (55500566503) 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, 85570 + ... + 343981.

It is an arithmetic number, because the mean of its divisors is an integer number (3247413120).

Almost surely, 2^55500566506 is an apocalyptic number.

55500566506 is a deficient number, since it is larger than the sum of its proper divisors (48416653334).

55500566506 is a wasteful number, since it uses less digits than its factorization.

55500566506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430410.

The product of its (nonzero) digits is 675000, while the sum is 43.

The spelling of 55500566506 in words is "fifty-five billion, five hundred million, five hundred sixty-six thousand, five hundred six".