55353286621118 has 4 divisors (see below), whose sum is σ = 83029929931680. Its totient is φ = 27676643310558.

The previous prime is 55353286621051. The next prime is 55353286621147. The reversal of 55353286621118 is 81112668235355.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13838321655278 + ... + 13838321655281.

It is an arithmetic number, because the mean of its divisors is an integer number (20757482482920).

Almost surely, 2^{55353286621118} is an apocalyptic number.

55353286621118 is a deficient number, since it is larger than the sum of its proper divisors (27676643310562).

55353286621118 is a wasteful number, since it uses less digits than its factorization.

55353286621118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27676643310561.

The product of its digits is 10368000, while the sum is 56.

The spelling of 55353286621118 in words is "fifty-five trillion, three hundred fifty-three billion, two hundred eighty-six million, six hundred twenty-one thousand, one hundred eighteen".