555606158856 has 384 divisors, whose sum is σ = 1685992888320. Its totient is φ = 149417146368.

The previous prime is 555606158851. The next prime is 555606158857. The reversal of 555606158856 is 658851606555.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 555606158856.

It is not an unprimeable number, because it can be changed into a prime (555606158851) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1062344211 + ... + 1062344733.

It is an arithmetic number, because the mean of its divisors is an integer number (4390606480).

Almost surely, 2^555606158856 is an apocalyptic number.

555606158856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555606158856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842996444160).

555606158856 is an abundant number, since it is smaller than the sum of its proper divisors (1130386729464).

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

555606158856 is a wasteful number, since it uses less digits than its factorization.

555606158856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773 (or 740 counting only the distinct ones).

The product of its (nonzero) digits is 43200000, while the sum is 60.

The spelling of 555606158856 in words is "five hundred fifty-five billion, six hundred six million, one hundred fifty-eight thousand, eight hundred fifty-six".