55512153516 has 48 divisors (see below), whose sum is σ = 135180912384. Its totient is φ = 17696792256.

The previous prime is 55512153509. The next prime is 55512153523. The reversal of 55512153516 is 61535121555.

It is an interprime number because it is at equal distance from previous prime (55512153509) and next prime (55512153523).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2524666 + ... + 2546558.

It is an arithmetic number, because the mean of its divisors is an integer number (2816269008).

Almost surely, 2^55512153516 is an apocalyptic number.

It is an amenable number.

55512153516 is an abundant number, since it is smaller than the sum of its proper divisors (79668758868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55512153516 is a wasteful number, since it uses less digits than its factorization.

55512153516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31110 (or 31108 counting only the distinct ones).

The product of its digits is 112500, while the sum is 39.

The spelling of 55512153516 in words is "fifty-five billion, five hundred twelve million, one hundred fifty-three thousand, five hundred sixteen".