55816087102776 has 1440 divisors, whose sum is σ = 215824707418320. Its totient is φ = 13348241786880.

The previous prime is 55816087102717. The next prime is 55816087102781. The reversal of 55816087102776 is 67720178061855.

55816087102776 is a `hidden beast` number, since 5 + 5 + 8 + 1 + 608 + 7 + 10 + 2 + 7 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 23324732236 + ... + 23324734628.

Almost surely, 2^{55816087102776} is an apocalyptic number.

55816087102776 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55816087102776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107912353709160).

55816087102776 is an abundant number, since it is smaller than the sum of its proper divisors (160008620315544).

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

55816087102776 is a wasteful number, since it uses less digits than its factorization.

55816087102776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927 (or 2896 counting only the distinct ones).

The product of its (nonzero) digits is 39513600, while the sum is 63.

The spelling of 55816087102776 in words is "fifty-five trillion, eight hundred sixteen billion, eighty-seven million, one hundred two thousand, seven hundred seventy-six".