55687702104880 has 80 divisors (see below), whose sum is σ = 137100820325184. Its totient is φ = 20963130245120.

The previous prime is 55687702104841. The next prime is 55687702104911. The reversal of 55687702104880 is 8840120778655.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×55687702104880² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15723840 + ... + 18937120.

Almost surely, 2^{55687702104880} is an apocalyptic number.

It is an amenable number.

55687702104880 is an abundant number, since it is smaller than the sum of its proper divisors (81413118220304).

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

55687702104880 is a wasteful number, since it uses less digits than its factorization.

55687702104880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226054 (or 3226048 counting only the distinct ones).

The product of its (nonzero) digits is 30105600, while the sum is 61.

The spelling of 55687702104880 in words is "fifty-five trillion, six hundred eighty-seven billion, seven hundred two million, one hundred four thousand, eight hundred eighty".