55120043531264 has 44 divisors (see below), whose sum is σ = 111581021829600. Its totient is φ = 27211160690688.

The previous prime is 55120043531257. The next prime is 55120043531291. The reversal of 55120043531264 is 46213534002155.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340603709 + ... + 340765500.

Almost surely, 2^{55120043531264} is an apocalyptic number.

It is an amenable number.

55120043531264 is an abundant number, since it is smaller than the sum of its proper divisors (56460978298336).

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

55120043531264 is an equidigital number, since it uses as much as digits as its factorization.

55120043531264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681369308 (or 681369290 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 55120043531264 in words is "fifty-five trillion, one hundred twenty billion, forty-three million, five hundred thirty-one thousand, two hundred sixty-four".