55445624312 has 16 divisors (see below), whose sum is σ = 111957510840. Its totient is φ = 25590288096.

The previous prime is 55445624293. The next prime is 55445624317. The reversal of 55445624312 is 21342654455.

55445624312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55445624312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55445624317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266565398 + ... + 266565605.

Almost surely, 2^55445624312 is an apocalyptic number.

55445624312 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55445624312 is an abundant number, since it is smaller than the sum of its proper divisors (56511886528).

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

55445624312 is a wasteful number, since it uses less digits than its factorization.

55445624312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533131022 (or 533131018 counting only the distinct ones).

The product of its digits is 576000, while the sum is 41.

The spelling of 55445624312 in words is "fifty-five billion, four hundred forty-five million, six hundred twenty-four thousand, three hundred twelve".