55870554168 has 512 divisors, whose sum is σ = 187067059200. Its totient is φ = 15418874880.

The previous prime is 55870554143. The next prime is 55870554169. The reversal of 55870554168 is 86145507855.

55870554168 is a `hidden beast` number, since 5 + 5 + 8 + 70 + 554 + 16 + 8 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55870554169) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 342764055 + ... + 342764217.

It is an arithmetic number, because the mean of its divisors is an integer number (365365350).

Almost surely, 2^55870554168 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 55870554168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93533529600).

55870554168 is an abundant number, since it is smaller than the sum of its proper divisors (131196505032).

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

55870554168 is a wasteful number, since it uses less digits than its factorization.

55870554168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 329 counting only the distinct ones).

The product of its (nonzero) digits is 6720000, while the sum is 54.

The spelling of 55870554168 in words is "fifty-five billion, eight hundred seventy million, five hundred fifty-four thousand, one hundred sixty-eight".