55660442044760 has 128 divisors (see below), whose sum is σ = 147009679816320. Its totient is φ = 18565971628032.

The previous prime is 55660442044759. The next prime is 55660442044763. The reversal of 55660442044760 is 6744024406655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55660442044763) 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, 106582202 + ... + 107103158.

It is an arithmetic number, because the mean of its divisors is an integer number (1148513123565).

Almost surely, 2^{55660442044760} 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 55660442044760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73504839908160).

55660442044760 is an abundant number, since it is smaller than the sum of its proper divisors (91349237771560).

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

55660442044760 is a wasteful number, since it uses less digits than its factorization.

55660442044760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531325 (or 531321 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 53.

The spelling of 55660442044760 in words is "fifty-five trillion, six hundred sixty billion, four hundred forty-two million, forty-four thousand, seven hundred sixty".