55505560000506 has 32 divisors (see below), whose sum is σ = 138403474288128. Its totient is φ = 14417028571440.

The previous prime is 55505560000427. The next prime is 55505560000507. The reversal of 55505560000506 is 60500006550555.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (55505560000507) 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, 60070951920 + ... + 60070952843.

It is an arithmetic number, because the mean of its divisors is an integer number (4325108571504).

Almost surely, 2^{55505560000506} is an apocalyptic number.

55505560000506 is an abundant number, since it is smaller than the sum of its proper divisors (82897914287622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55505560000506 is a wasteful number, since it uses less digits than its factorization.

55505560000506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120141904786.

The product of its (nonzero) digits is 562500, while the sum is 42.

The spelling of 55505560000506 in words is "fifty-five trillion, five hundred five billion, five hundred sixty million, five hundred six", and thus it is an aban number.