55505561011104 has 48 divisors (see below), whose sum is σ = 145750074085728. Its totient is φ = 18495761425152.

The previous prime is 55505561011099. The next prime is 55505561011133. The reversal of 55505561011104 is 40111016550555.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×55505561011104² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94898262 + ... + 95481365.

It is an arithmetic number, because the mean of its divisors is an integer number (3036459876786).

Almost surely, 2^{55505561011104} is an apocalyptic number.

It is an amenable number.

55505561011104 is an abundant number, since it is smaller than the sum of its proper divisors (90244513074624).

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

55505561011104 is a wasteful number, since it uses less digits than its factorization.

55505561011104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190382677 (or 190382669 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 39.

Adding to 55505561011104 its reverse (40111016550555), we get a palindrome (95616577561659).

The spelling of 55505561011104 in words is "fifty-five trillion, five hundred five billion, five hundred sixty-one million, eleven thousand, one hundred four".