55505561006056 has 24 divisors (see below), whose sum is σ = 121064425154370. Its totient is φ = 23788097573856.

The previous prime is 55505561006053. The next prime is 55505561006099. The reversal of 55505561006056 is 65060016550555.

It can be written as a sum of positive squares in only one way, i.e., 54737950220100 + 767610785956 = 7398510^2 + 876134^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (55505561006053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70797909055 + ... + 70797909838.

Almost surely, 2^{55505561006056} is an apocalyptic number.

55505561006056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55505561006056 is an abundant number, since it is smaller than the sum of its proper divisors (65558864148314).

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

55505561006056 is a wasteful number, since it uses less digits than its factorization.

55505561006056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141595818913 (or 141595818902 counting only the distinct ones).

The product of its (nonzero) digits is 3375000, while the sum is 49.

The spelling of 55505561006056 in words is "fifty-five trillion, five hundred five billion, five hundred sixty-one million, six thousand, fifty-six".