55110505506 has 24 divisors (see below), whose sum is σ = 128216278800. Its totient is φ = 15745858632.

The previous prime is 55110505493. The next prime is 55110505561. The reversal of 55110505506 is 60550501155.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 93725056 + ... + 93725643.

It is an arithmetic number, because the mean of its divisors is an integer number (5342344950).

Almost surely, 2^55110505506 is an apocalyptic number.

55110505506 is an abundant number, since it is smaller than the sum of its proper divisors (73105773294).

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

55110505506 is a wasteful number, since it uses less digits than its factorization.

55110505506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187450718 (or 187450711 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 33.

The spelling of 55110505506 in words is "fifty-five billion, one hundred ten million, five hundred five thousand, five hundred six".