55170670390744 has 16 divisors (see below), whose sum is σ = 103452185396520. Its totient is φ = 27583420951680.

The previous prime is 55170670390739. The next prime is 55170670390763. The reversal of 55170670390744 is 44709307607155.

It is a happy number.

It is a congruent number.

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, 239157969 + ... + 239388544.

Almost surely, 2^{55170670390744} is an apocalyptic number.

It is an amenable number.

55170670390744 is a deficient number, since it is larger than the sum of its proper divisors (48281515005776).

55170670390744 is a wasteful number, since it uses less digits than its factorization.

55170670390744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478560930 (or 478560926 counting only the distinct ones).

The product of its (nonzero) digits is 22226400, while the sum is 58.

Adding to 55170670390744 its reverse (44709307607155), we get a palindrome (99879977997899).

The spelling of 55170670390744 in words is "fifty-five trillion, one hundred seventy billion, six hundred seventy million, three hundred ninety thousand, seven hundred forty-four".