55106660610594 has 256 divisors, whose sum is σ = 132184344821760. Its totient is φ = 16974283898880.

The previous prime is 55106660610557. The next prime is 55106660610601. The reversal of 55106660610594 is 49501606660155.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55106660610594.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 16250856639 + ... + 16250860029.

It is an arithmetic number, because the mean of its divisors is an integer number (516345096960).

Almost surely, 2^{55106660610594} is an apocalyptic number.

55106660610594 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55106660610594, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66092172410880).

55106660610594 is an abundant number, since it is smaller than the sum of its proper divisors (77077684211166).

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

55106660610594 is a wasteful number, since it uses less digits than its factorization.

55106660610594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6702 (or 6696 counting only the distinct ones).

The product of its (nonzero) digits is 5832000, while the sum is 54.

The spelling of 55106660610594 in words is "fifty-five trillion, one hundred six billion, six hundred sixty million, six hundred ten thousand, five hundred ninety-four".