55165170424 has 128 divisors (see below), whose sum is σ = 135255254400. Its totient is φ = 20501268480.

The previous prime is 55165170373. The next prime is 55165170503. The reversal of 55165170424 is 42407156155.

55165170424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 745834 + ... + 816454.

It is an arithmetic number, because the mean of its divisors is an integer number (1056681675).

Almost surely, 2^55165170424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55165170424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67627627200).

55165170424 is an abundant number, since it is smaller than the sum of its proper divisors (80090083976).

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

55165170424 is a wasteful number, since it uses less digits than its factorization.

55165170424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70713 (or 70709 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 55165170424 in words is "fifty-five billion, one hundred sixty-five million, one hundred seventy thousand, four hundred twenty-four".