551759928228 has 72 divisors (see below), whose sum is σ = 1408577264640. Its totient is φ = 182099413440.

The previous prime is 551759928217. The next prime is 551759928271. The reversal of 551759928228 is 822829957155.

551759928228 is a `hidden beast` number, since 5 + 5 + 17 + 599 + 2 + 8 + 2 + 28 = 666.

It is a super-2 number, since 2×551759928228² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2121958 + ... + 2367746.

It is an arithmetic number, because the mean of its divisors is an integer number (19563573120).

Almost surely, 2^551759928228 is an apocalyptic number.

It is an amenable number.

551759928228 is an abundant number, since it is smaller than the sum of its proper divisors (856817336412).

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

551759928228 is a wasteful number, since it uses less digits than its factorization.

551759928228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246417 (or 246412 counting only the distinct ones).

The product of its digits is 36288000, while the sum is 63.

The spelling of 551759928228 in words is "five hundred fifty-one billion, seven hundred fifty-nine million, nine hundred twenty-eight thousand, two hundred twenty-eight".