55450156421741 has 4 divisors (see below), whose sum is σ = 55535072435292. Its totient is φ = 55365240408192.

The previous prime is 55450156421729. The next prime is 55450156421743. The reversal of 55450156421741 is 14712465105455.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37379112911716 + 18071043510025 = 6113846^2 + 4251005^2 .

It is a cyclic number.

It is not a de Polignac number, because 55450156421741 - 2³⁰ = 55449082679917 is a prime.

It is a super-2 number, since 2×55450156421741² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55450156421741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55450156421743) 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, 42458005796 + ... + 42458007101.

It is an arithmetic number, because the mean of its divisors is an integer number (13883768108823).

Almost surely, 2^{55450156421741} is an apocalyptic number.

It is an amenable number.

55450156421741 is a deficient number, since it is larger than the sum of its proper divisors (84916013551).

55450156421741 is an equidigital number, since it uses as much as digits as its factorization.

55450156421741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84916013550.

The product of its (nonzero) digits is 3360000, while the sum is 50.

The spelling of 55450156421741 in words is "fifty-five trillion, four hundred fifty billion, one hundred fifty-six million, four hundred twenty-one thousand, seven hundred forty-one".