55381688276 has 6 divisors (see below), whose sum is σ = 96917954490. Its totient is φ = 27690844136.

The previous prime is 55381688231. The next prime is 55381688279. The reversal of 55381688276 is 67288618355.

It can be written as a sum of positive squares in only one way, i.e., 34196885776 + 21184802500 = 184924^2 + 145550^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55381688279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6922711031 + ... + 6922711038.

It is an arithmetic number, because the mean of its divisors is an integer number (16152992415).

Almost surely, 2^55381688276 is an apocalyptic number.

It is an amenable number.

55381688276 is a deficient number, since it is larger than the sum of its proper divisors (41536266214).

55381688276 is a wasteful number, since it uses less digits than its factorization.

55381688276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13845422073 (or 13845422071 counting only the distinct ones).

The product of its digits is 19353600, while the sum is 59.

The spelling of 55381688276 in words is "fifty-five billion, three hundred eighty-one million, six hundred eighty-eight thousand, two hundred seventy-six".