550839142656 has 576 divisors, whose sum is σ = 1890304281600. Its totient is φ = 156465561600.

The previous prime is 550839142589. The next prime is 550839142717. The reversal of 550839142656 is 656241938055.

550839142656 is a `hidden beast` number, since 5 + 5 + 0 + 83 + 91 + 426 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a super-2 number, since 2×550839142656² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140125011 + ... + 140128941.

Almost surely, 2^550839142656 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 550839142656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (945152140800).

550839142656 is an abundant number, since it is smaller than the sum of its proper divisors (1339465138944).

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

550839142656 is a wasteful number, since it uses less digits than its factorization.

550839142656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4083 (or 4063 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 550839142656 in words is "five hundred fifty billion, eight hundred thirty-nine million, one hundred forty-two thousand, six hundred fifty-six".