55226464215020 has 96 divisors (see below), whose sum is σ = 140342035180032. Its totient is φ = 17820742560768.

The previous prime is 55226464215001. The next prime is 55226464215049. The reversal of 55226464215020 is 2051246462255.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349750127 + ... + 349907993.

It is an arithmetic number, because the mean of its divisors is an integer number (1461896199792).

Almost surely, 2^{55226464215020} is an apocalyptic number.

It is an amenable number.

55226464215020 is an abundant number, since it is smaller than the sum of its proper divisors (85115570965012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55226464215020 is a wasteful number, since it uses less digits than its factorization.

55226464215020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304887 (or 304885 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 44.

The spelling of 55226464215020 in words is "fifty-five trillion, two hundred twenty-six billion, four hundred sixty-four million, two hundred fifteen thousand, twenty".