55011105489 has 16 divisors (see below), whose sum is σ = 73692894464. Its totient is φ = 36502099200.

The previous prime is 55011105481. The next prime is 55011105529. The reversal of 55011105489 is 98450111055.

It is a happy number.

It is not a de Polignac number, because 55011105489 - 2³ = 55011105481 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55011105481) 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, 496584 + ... + 597174.

It is an arithmetic number, because the mean of its divisors is an integer number (4605805904).

Almost surely, 2^55011105489 is an apocalyptic number.

It is an amenable number.

55011105489 is a deficient number, since it is larger than the sum of its proper divisors (18681788975).

55011105489 is a wasteful number, since it uses less digits than its factorization.

55011105489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101448.

The product of its (nonzero) digits is 36000, while the sum is 39.

The spelling of 55011105489 in words is "fifty-five billion, eleven million, one hundred five thousand, four hundred eighty-nine".