55100225001521 has 8 divisors (see below), whose sum is σ = 63222568928064. Its totient is φ = 47040601878000.

The previous prime is 55100225001461. The next prime is 55100225001539. The reversal of 55100225001521 is 12510052200155.

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 55100225001521 - 2²⁶ = 55100157892657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55100225001121) 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, 15680198870 + ... + 15680202383.

It is an arithmetic number, because the mean of its divisors is an integer number (7902821116008).

Almost surely, 2^{55100225001521} is an apocalyptic number.

It is an amenable number.

55100225001521 is a deficient number, since it is larger than the sum of its proper divisors (8122343926543).

55100225001521 is a wasteful number, since it uses less digits than its factorization.

55100225001521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31360401511.

The product of its (nonzero) digits is 5000, while the sum is 29.

Adding to 55100225001521 its reverse (12510052200155), we get a palindrome (67610277201676).

The spelling of 55100225001521 in words is "fifty-five trillion, one hundred billion, two hundred twenty-five million, one thousand, five hundred twenty-one".