55512514215 has 32 divisors (see below), whose sum is σ = 101872435200. Its totient is φ = 28651618080.

The previous prime is 55512514199. The next prime is 55512514223. The reversal of 55512514215 is 51241521555.

55512514215 is a `hidden beast` number, since 5 + 551 + 2 + 51 + 42 + 15 = 666.

It is not a de Polignac number, because 55512514215 - 2⁴ = 55512514199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55512514215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6628135 + ... + 6636504.

It is an arithmetic number, because the mean of its divisors is an integer number (3183513600).

Almost surely, 2^55512514215 is an apocalyptic number.

55512514215 is a deficient number, since it is larger than the sum of its proper divisors (46359920985).

55512514215 is a wasteful number, since it uses less digits than its factorization.

55512514215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13264684 (or 13264678 counting only the distinct ones).

The product of its digits is 50000, while the sum is 36.

The spelling of 55512514215 in words is "fifty-five billion, five hundred twelve million, five hundred fourteen thousand, two hundred fifteen".