55512153519 has 32 divisors (see below), whose sum is σ = 75769344000. Its totient is φ = 36138635520.

The previous prime is 55512153509. The next prime is 55512153523. The reversal of 55512153519 is 91535121555.

It is not a de Polignac number, because 55512153519 - 2⁹ = 55512153007 is a prime.

It is a super-2 number, since 2×55512153519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55512153509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39679182 + ... + 39680580.

It is an arithmetic number, because the mean of its divisors is an integer number (2367792000).

Almost surely, 2^55512153519 is an apocalyptic number.

55512153519 is a deficient number, since it is larger than the sum of its proper divisors (20257190481).

55512153519 is a wasteful number, since it uses less digits than its factorization.

55512153519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455.

The product of its digits is 168750, while the sum is 42.

The spelling of 55512153519 in words is "fifty-five billion, five hundred twelve million, one hundred fifty-three thousand, five hundred nineteen".