55381953178347 has 64 divisors (see below), whose sum is σ = 75811147776000. Its totient is φ = 35948788761600.

The previous prime is 55381953178247. The next prime is 55381953178361. The reversal of 55381953178347 is 74387135918355.

It is not a de Polignac number, because 55381953178347 - 2⁸ = 55381953178091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55381953178247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33302436438 + ... + 33302438100.

It is an arithmetic number, because the mean of its divisors is an integer number (1184549184000).

Almost surely, 2^{55381953178347} is an apocalyptic number.

55381953178347 is a deficient number, since it is larger than the sum of its proper divisors (20429194597653).

55381953178347 is a wasteful number, since it uses less digits than its factorization.

55381953178347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028.

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

The spelling of 55381953178347 in words is "fifty-five trillion, three hundred eighty-one billion, nine hundred fifty-three million, one hundred seventy-eight thousand, three hundred forty-seven".