55684475997000 has 128 divisors (see below), whose sum is σ = 174456461836800. Its totient is φ = 14787578496000.

The previous prime is 55684475996993. The next prime is 55684475997011. The reversal of 55684475997000 is 79957448655.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37786320 + ... + 39232319.

It is an arithmetic number, because the mean of its divisors is an integer number (1362941108100).

Almost surely, 2^{55684475997000} is an apocalyptic number.

55684475997000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55684475997000 is an abundant number, since it is smaller than the sum of its proper divisors (118771985839800).

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

55684475997000 is a wasteful number, since it uses less digits than its factorization.

55684475997000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77018904 (or 77018890 counting only the distinct ones).

The product of its (nonzero) digits is 381024000, while the sum is 69.

The spelling of 55684475997000 in words is "fifty-five trillion, six hundred eighty-four billion, four hundred seventy-five million, nine hundred ninety-seven thousand".