55561000560506 has 32 divisors (see below), whose sum is σ = 100850655370752. Its totient is φ = 22411063031040.

The previous prime is 55561000560503. The next prime is 55561000560509. The reversal of 55561000560506 is 60506500016555.

It is an interprime number because it is at equal distance from previous prime (55561000560503) and next prime (55561000560509).

It is not an unprimeable number, because it can be changed into a prime (55561000560503) 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, 85214096 + ... + 85863636.

It is an arithmetic number, because the mean of its divisors is an integer number (3151582980336).

Almost surely, 2^{55561000560506} is an apocalyptic number.

55561000560506 is a deficient number, since it is larger than the sum of its proper divisors (45289654810246).

55561000560506 is a wasteful number, since it uses less digits than its factorization.

55561000560506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008974.

The product of its (nonzero) digits is 675000, while the sum is 44.

The spelling of 55561000560506 in words is "fifty-five trillion, five hundred sixty-one billion, five hundred sixty thousand, five hundred six".