55605506011 has 8 divisors (see below), whose sum is σ = 61514926848. Its totient is φ = 49838481000.

The previous prime is 55605506009. The next prime is 55605506041. The reversal of 55605506011 is 11060550655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55605506011 - 2¹ = 55605506009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55605506041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35598135 + ... + 35599696.

It is an arithmetic number, because the mean of its divisors is an integer number (7689365856).

Almost surely, 2^55605506011 is an apocalyptic number.

55605506011 is a deficient number, since it is larger than the sum of its proper divisors (5909420837).

55605506011 is a wasteful number, since it uses less digits than its factorization.

55605506011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71197913.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 55605506011 in words is "fifty-five billion, six hundred five million, five hundred six thousand, eleven".