55221415441 has 8 divisors (see below), whose sum is σ = 55822544960. Its totient is φ = 54621536112.

The previous prime is 55221415423. The next prime is 55221415463. The reversal of 55221415441 is 14451412255.

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

It is a cyclic number.

It is not a de Polignac number, because 55221415441 - 2⁹ = 55221414929 is a prime.

It is a super-3 number, since 3×55221415441³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55221415397 and 55221415406.

It is not an unprimeable number, because it can be changed into a prime (55221415241) 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, 223590 + ... + 400543.

It is an arithmetic number, because the mean of its divisors is an integer number (6977818120).

Almost surely, 2^55221415441 is an apocalyptic number.

It is an amenable number.

55221415441 is a deficient number, since it is larger than the sum of its proper divisors (601129519).

55221415441 is a wasteful number, since it uses less digits than its factorization.

55221415441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625095.

The product of its digits is 32000, while the sum is 34.

Adding to 55221415441 its reverse (14451412255), we get a palindrome (69672827696).

The spelling of 55221415441 in words is "fifty-five billion, two hundred twenty-one million, four hundred fifteen thousand, four hundred forty-one".