556006055501 has 8 divisors (see below), whose sum is σ = 598784115384. Its totient is φ = 513229190400.

The previous prime is 556006055497. The next prime is 556006055543. The reversal of 556006055501 is 105550600655.

It can be written as a sum of positive squares in 4 ways, for example, as 79919855401 + 476086200100 = 282701^2 + 689990^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556006055501 - 2² = 556006055497 is a prime.

It is a super-2 number, since 2×556006055501² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556006055201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824201 + ... + 1338401.

It is an arithmetic number, because the mean of its divisors is an integer number (74848014423).

Almost surely, 2^556006055501 is an apocalyptic number.

It is an amenable number.

556006055501 is a deficient number, since it is larger than the sum of its proper divisors (42778059883).

556006055501 is a wasteful number, since it uses less digits than its factorization.

556006055501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597391.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 556006055501 in words is "five hundred fifty-six billion, six million, fifty-five thousand, five hundred one".