555550504956 has 192 divisors, whose sum is σ = 1616113296000. Its totient is φ = 164175298560.

The previous prime is 555550504931. The next prime is 555550504987. The reversal of 555550504956 is 659405055555.

555550504956 is a `hidden beast` number, since 5 + 5 + 55 + 50 + 50 + 495 + 6 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2055760 + ... + 2310248.

It is an arithmetic number, because the mean of its divisors is an integer number (8417256750).

Almost surely, 2^555550504956 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 555550504956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (808056648000).

555550504956 is an abundant number, since it is smaller than the sum of its proper divisors (1060562791044).

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

555550504956 is a wasteful number, since it uses less digits than its factorization.

555550504956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254589 (or 254581 counting only the distinct ones).

The product of its (nonzero) digits is 16875000, while the sum is 54.

The spelling of 555550504956 in words is "five hundred fifty-five billion, five hundred fifty million, five hundred four thousand, nine hundred fifty-six".