55111111650473 has 8 divisors (see below), whose sum is σ = 57508767073728. Its totient is φ = 52713582905104.

The previous prime is 55111111650421. The next prime is 55111111650523. The reversal of 55111111650473 is 37405611111155.

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

It is a cyclic number.

It is not a de Polignac number, because 55111111650473 - 2⁶ = 55111111650409 is a prime.

It is a super-2 number, since 2×55111111650473² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55111111650473.

It is not an unprimeable number, because it can be changed into a prime (55111141650473) 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, 30779915 + ... + 32521152.

It is an arithmetic number, because the mean of its divisors is an integer number (7188595884216).

Almost surely, 2^{55111111650473} is an apocalyptic number.

It is an amenable number.

55111111650473 is a deficient number, since it is larger than the sum of its proper divisors (2397655423255).

55111111650473 is a wasteful number, since it uses less digits than its factorization.

55111111650473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63338943.

The product of its (nonzero) digits is 63000, while the sum is 41.

The spelling of 55111111650473 in words is "fifty-five trillion, one hundred eleven billion, one hundred eleven million, six hundred fifty thousand, four hundred seventy-three".