555957972000 has 384 divisors, whose sum is σ = 2031848582400. Its totient is φ = 147657600000.

The previous prime is 555957971963. The next prime is 555957972047. The reversal of 555957972000 is 279759555.

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, 27097746 + ... + 27118254.

It is an arithmetic number, because the mean of its divisors is an integer number (5291272350).

Almost surely, 2^555957972000 is an apocalyptic number.

555957972000 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 555957972000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1015924291200).

555957972000 is an abundant number, since it is smaller than the sum of its proper divisors (1475890610400).

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

555957972000 is a wasteful number, since it uses less digits than its factorization.

555957972000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20794 (or 20770 counting only the distinct ones).

The product of its (nonzero) digits is 4961250, while the sum is 54.

The spelling of 555957972000 in words is "five hundred fifty-five billion, nine hundred fifty-seven million, nine hundred seventy-two thousand".