55570123008 has 288 divisors, whose sum is σ = 167100433920. Its totient is φ = 18214225920.

The previous prime is 55570123001. The next prime is 55570123069. The reversal of 55570123008 is 80032107555.

55570123008 is a `hidden beast` number, since 55 + 570 + 1 + 2 + 30 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×55570123008² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (55570123001) 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, 167885403 + ... + 167885733.

It is an arithmetic number, because the mean of its divisors is an integer number (580209840).

Almost surely, 2^55570123008 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 55570123008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83550216960).

55570123008 is an abundant number, since it is smaller than the sum of its proper divisors (111530310912).

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

55570123008 is a wasteful number, since it uses less digits than its factorization.

55570123008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 670 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 55570123008 in words is "fifty-five billion, five hundred seventy million, one hundred twenty-three thousand, eight".