55505511011 has 16 divisors (see below), whose sum is σ = 56485044000. Its totient is φ = 54535541760.

The previous prime is 55505510999. The next prime is 55505511041. The reversal of 55505511011 is 11011550555.

It is a happy number.

55505511011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-55505511011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55505511041) 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, 9532481 + ... + 9538301.

It is an arithmetic number, because the mean of its divisors is an integer number (3530315250).

Almost surely, 2^55505511011 is an apocalyptic number.

55505511011 is a deficient number, since it is larger than the sum of its proper divisors (979532989).

55505511011 is a wasteful number, since it uses less digits than its factorization.

55505511011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6614.

The product of its (nonzero) digits is 3125, while the sum is 29.

The spelling of 55505511011 in words is "fifty-five billion, five hundred five million, five hundred eleven thousand, eleven".