55559797455060 has 144 divisors (see below), whose sum is σ = 169846963558272. Its totient is φ = 14700329529600.

The previous prime is 55559797455049. The next prime is 55559797455067. The reversal of 55559797455060 is 6055479795555.

55559797455060 is a `hidden beast` number, since 5 + 5 + 5 + 5 + 9 + 7 + 9 + 7 + 4 + 550 + 60 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55559797455060.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55559797455067) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139559890 + ... + 139957430.

It is an arithmetic number, because the mean of its divisors is an integer number (1179492802488).

Almost surely, 2^{55559797455060} 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 55559797455060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84923481779136).

55559797455060 is an abundant number, since it is smaller than the sum of its proper divisors (114287166103212).

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

55559797455060 is a wasteful number, since it uses less digits than its factorization.

55559797455060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403614 (or 403609 counting only the distinct ones).

The product of its (nonzero) digits is 1488375000, while the sum is 72.

The spelling of 55559797455060 in words is "fifty-five trillion, five hundred fifty-nine billion, seven hundred ninety-seven million, four hundred fifty-five thousand, sixty".