55575969312 has 96 divisors (see below), whose sum is σ = 146694240000. Its totient is φ = 18423099648.

The previous prime is 55575969307. The next prime is 55575969313. The reversal of 55575969312 is 21396957555.

55575969312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (55575969313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14704639 + ... + 14708417.

It is an arithmetic number, because the mean of its divisors is an integer number (1528065000).

Almost surely, 2^55575969312 is an apocalyptic number.

It is an amenable number.

55575969312 is an abundant number, since it is smaller than the sum of its proper divisors (91118270688).

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

55575969312 is a wasteful number, since it uses less digits than its factorization.

55575969312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4598 (or 4590 counting only the distinct ones).

The product of its digits is 12757500, while the sum is 57.

The spelling of 55575969312 in words is "fifty-five billion, five hundred seventy-five million, nine hundred sixty-nine thousand, three hundred twelve".