550885937664 has 160 divisors (see below), whose sum is σ = 1521682873920. Its totient is φ = 176890068992.

The previous prime is 550885937663. The next prime is 550885937681. The reversal of 550885937664 is 466739588055.

It is a junction number, because it is equal to n+sod(n) for n = 550885937595 and 550885937604.

It is not an unprimeable number, because it can be changed into a prime (550885937663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19719034 + ... + 19746950.

It is an arithmetic number, because the mean of its divisors is an integer number (9510517962).

Almost surely, 2^550885937664 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 550885937664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (760841436960).

550885937664 is an abundant number, since it is smaller than the sum of its proper divisors (970796936256).

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

550885937664 is a wasteful number, since it uses less digits than its factorization.

550885937664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28410 (or 28394 counting only the distinct ones).

The product of its (nonzero) digits is 217728000, while the sum is 66.

The spelling of 550885937664 in words is "five hundred fifty billion, eight hundred eighty-five million, nine hundred thirty-seven thousand, six hundred sixty-four".