55421445520041 has 8 divisors (see below), whose sum is σ = 73896491680224. Its totient is φ = 36947014853280.

The previous prime is 55421445520027. The next prime is 55421445520159. The reversal of 55421445520041 is 14002554412455.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55421445520041 - 2⁵ = 55421445520009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55421445519975 and 55421445520002.

It is not an unprimeable number, because it can be changed into a prime (55421445520841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153663211 + ... + 154023456.

It is an arithmetic number, because the mean of its divisors is an integer number (9237061460028).

Almost surely, 2^{55421445520041} is an apocalyptic number.

It is an amenable number.

55421445520041 is a deficient number, since it is larger than the sum of its proper divisors (18475046160183).

55421445520041 is a wasteful number, since it uses less digits than its factorization.

55421445520041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307746711.

The product of its (nonzero) digits is 640000, while the sum is 42.

Adding to 55421445520041 its reverse (14002554412455), we get a palindrome (69423999932496).

The spelling of 55421445520041 in words is "fifty-five trillion, four hundred twenty-one billion, four hundred forty-five million, five hundred twenty thousand, forty-one".