55520835843 has 24 divisors (see below), whose sum is σ = 81669779968. Its totient is φ = 33524766000.

The previous prime is 55520835827. The next prime is 55520835863. The reversal of 55520835843 is 34853802555.

55520835843 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55520835843 - 2⁴ = 55520835827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55520835792 and 55520835801.

It is not an unprimeable number, because it can be changed into a prime (55520835803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183823 + ... + 380568.

Almost surely, 2^55520835843 is an apocalyptic number.

55520835843 is a deficient number, since it is larger than the sum of its proper divisors (26148944125).

55520835843 is a wasteful number, since it uses less digits than its factorization.

55520835843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564687 (or 564676 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 48.

The spelling of 55520835843 in words is "fifty-five billion, five hundred twenty million, eight hundred thirty-five thousand, eight hundred forty-three".