551632595404560 has 320 divisors, whose sum is σ = 1826216608942080. Its totient is φ = 137438723358720.

The previous prime is 551632595404549. The next prime is 551632595404567. The reversal of 551632595404560 is 65404595236155.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 551632595404494 and 551632595404503.

It is not an unprimeable number, because it can be changed into a prime (551632595404567) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3558452172 + ... + 3558607188.

It is an arithmetic number, because the mean of its divisors is an integer number (5706926902944).

Almost surely, 2^{551632595404560} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 551632595404560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (913108304471040).

551632595404560 is an abundant number, since it is smaller than the sum of its proper divisors (1274584013537520).

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

551632595404560 is a wasteful number, since it uses less digits than its factorization.

551632595404560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171586 (or 171580 counting only the distinct ones).

The product of its (nonzero) digits is 97200000, while the sum is 60.

The spelling of 551632595404560 in words is "five hundred fifty-one trillion, six hundred thirty-two billion, five hundred ninety-five million, four hundred four thousand, five hundred sixty".