55512512345 has 8 divisors (see below), whose sum is σ = 66616712064. Its totient is φ = 44408878384.

The previous prime is 55512512311. The next prime is 55512512381. The reversal of 55512512345 is 54321521555.

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

It is a cyclic number.

It is not a de Polignac number, because 55512512345 - 2⁶ = 55512512281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55512512299 and 55512512308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117542 + ... + 353328.

It is an arithmetic number, because the mean of its divisors is an integer number (8327089008).

Almost surely, 2^55512512345 is an apocalyptic number.

It is an amenable number.

55512512345 is a deficient number, since it is larger than the sum of its proper divisors (11104199719).

55512512345 is a wasteful number, since it uses less digits than its factorization.

55512512345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282879.

The product of its digits is 150000, while the sum is 38.

The spelling of 55512512345 in words is "fifty-five billion, five hundred twelve million, five hundred twelve thousand, three hundred forty-five".