555897323520000 has 4800 divisors, whose sum is σ = 2739681091667520. Its totient is φ = 108716359680000.

The previous prime is 555897323519953. The next prime is 555897323520013. The reversal of 555897323520000 is 25323798555.

It is a happy number.

555897323520000 is a `hidden beast` number, since 5 + 5 + 5 + 8 + 97 + 3 + 23 + 520 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (4800).

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 199 ways as a sum of consecutive naturals, for example, 32699842559992 + ... + 32699842560008.

Almost surely, 2^{555897323520000} is an apocalyptic number.

555897323520000 is a gapful number since it is divisible by the number (50) 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 555897323520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1369840545833760).

555897323520000 is an abundant number, since it is smaller than the sum of its proper divisors (2183783768147520).

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

555897323520000 is an frugal number, since it uses more digits than its factorization.

555897323520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 11340000, while the sum is 54.

The spelling of 555897323520000 in words is "five hundred fifty-five trillion, eight hundred ninety-seven billion, three hundred twenty-three million, five hundred twenty thousand".