555957972001 has 4 divisors (see below), whose sum is σ = 557936470404. Its totient is φ = 553979473600.

The previous prime is 555957971963. The next prime is 555957972047. The reversal of 555957972001 is 100279759555.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 433721030625 + 122236941376 = 658575^2 + 349624^2 .

It is a cyclic number.

It is not a de Polignac number, because 555957972001 - 2⁷ = 555957971873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555957972901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 989248780 + ... + 989249341.

It is an arithmetic number, because the mean of its divisors is an integer number (139484117601).

Almost surely, 2^555957972001 is an apocalyptic number.

It is an amenable number.

555957972001 is a deficient number, since it is larger than the sum of its proper divisors (1978498403).

555957972001 is a wasteful number, since it uses less digits than its factorization.

555957972001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978498402.

The product of its (nonzero) digits is 4961250, while the sum is 55.

The spelling of 555957972001 in words is "five hundred fifty-five billion, nine hundred fifty-seven million, nine hundred seventy-two thousand, one".