55700605601880 has 128 divisors (see below), whose sum is σ = 168181242451200. Its totient is φ = 14757604710912.

The previous prime is 55700605601867. The next prime is 55700605601897. The reversal of 55700605601880 is 8810650600755.

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, 60354067 + ... + 61270013.

It is an arithmetic number, because the mean of its divisors is an integer number (1313915956650).

Almost surely, 2^{55700605601880} 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 55700605601880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84090621225600).

55700605601880 is an abundant number, since it is smaller than the sum of its proper divisors (112480636849320).

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

55700605601880 is a wasteful number, since it uses less digits than its factorization.

55700605601880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919233 (or 919229 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 51.

The spelling of 55700605601880 in words is "fifty-five trillion, seven hundred billion, six hundred five million, six hundred one thousand, eight hundred eighty".