55828170 has 64 divisors (see below), whose sum is σ = 157645440. Its totient is φ = 14010624.

The previous prime is 55828141. The next prime is 55828177. The reversal of 55828170 is 7182855.

55828170 is a `hidden beast` number, since 5 + 582 + 8 + 1 + 70 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55828177) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1492 + ... + 10671.

It is an arithmetic number, because the mean of its divisors is an integer number (2463210).

Almost surely, 2^55828170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55828170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78822720).

55828170 is an abundant number, since it is smaller than the sum of its proper divisors (101817270).

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

55828170 is a wasteful number, since it uses less digits than its factorization.

55828170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12196 (or 12190 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 36.

The square root of 55828170 is about 7471.8250782523. The cubic root of 55828170 is about 382.1945273498.

The spelling of 55828170 in words is "fifty-five million, eight hundred twenty-eight thousand, one hundred seventy".