55221041526529 has 8 divisors (see below), whose sum is σ = 55313272093952. Its totient is φ = 55128817954800.

The previous prime is 55221041526509. The next prime is 55221041526569. The reversal of 55221041526529 is 92562514012255.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55221041526529 is a prime.

It is a super-2 number, since 2×55221041526529² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55221041526509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14172322 + ... + 17643604.

It is an arithmetic number, because the mean of its divisors is an integer number (6914159011744).

Almost surely, 2^{55221041526529} is an apocalyptic number.

It is an amenable number.

55221041526529 is a deficient number, since it is larger than the sum of its proper divisors (92230567423).

55221041526529 is a wasteful number, since it uses less digits than its factorization.

55221041526529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497847.

The product of its (nonzero) digits is 2160000, while the sum is 49.

The spelling of 55221041526529 in words is "fifty-five trillion, two hundred twenty-one billion, forty-one million, five hundred twenty-six thousand, five hundred twenty-nine".