55285815478354 has 8 divisors (see below), whose sum is σ = 82929732120828. Its totient is φ = 27642571438080.

The previous prime is 55285815478321. The next prime is 55285815478379. The reversal of 55285815478354 is 45387451858255.

It can be written as a sum of positive squares in 2 ways, for example, as 54741131625625 + 544683852729 = 7398725^2 + 738027^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167945007 + ... + 168273874.

Almost surely, 2^{55285815478354} is an apocalyptic number.

55285815478354 is a deficient number, since it is larger than the sum of its proper divisors (27643916642474).

55285815478354 is a wasteful number, since it uses less digits than its factorization.

55285815478354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336301100.

The product of its digits is 1075200000, while the sum is 70.

The spelling of 55285815478354 in words is "fifty-five trillion, two hundred eighty-five billion, eight hundred fifteen million, four hundred seventy-eight thousand, three hundred fifty-four".