55420520322345 has 16 divisors (see below), whose sum is σ = 88808625536832. Its totient is φ = 29512346498240.

The previous prime is 55420520322319. The next prime is 55420520322347. The reversal of 55420520322345 is 54322302502455.

55420520322345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55420520322345 - 2¹⁵ = 55420520289577 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55420520322297 and 55420520322306.

It is not an unprimeable number, because it can be changed into a prime (55420520322347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2829011151 + ... + 2829030740.

It is an arithmetic number, because the mean of its divisors is an integer number (5550539096052).

Almost surely, 2^{55420520322345} is an apocalyptic number.

It is an amenable number.

55420520322345 is a deficient number, since it is larger than the sum of its proper divisors (33388105214487).

55420520322345 is a wasteful number, since it uses less digits than its factorization.

55420520322345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5658042552.

The product of its (nonzero) digits is 1440000, while the sum is 42.

The spelling of 55420520322345 in words is "fifty-five trillion, four hundred twenty billion, five hundred twenty million, three hundred twenty-two thousand, three hundred forty-five".