55450703223640 has 16 divisors (see below), whose sum is σ = 124764082253280. Its totient is φ = 22180281289440.

The previous prime is 55450703223623. The next prime is 55450703223683. The reversal of 55450703223640 is 4632230705455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 693133790256 + ... + 693133790335.

It is an arithmetic number, because the mean of its divisors is an integer number (7797755140830).

Almost surely, 2^{55450703223640} is an apocalyptic number.

It is an amenable number.

55450703223640 is an abundant number, since it is smaller than the sum of its proper divisors (69313379029640).

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

55450703223640 is a wasteful number, since it uses less digits than its factorization.

55450703223640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386267580602 (or 1386267580598 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 46.

The spelling of 55450703223640 in words is "fifty-five trillion, four hundred fifty billion, seven hundred three million, two hundred twenty-three thousand, six hundred forty".