556532841655 has 48 divisors (see below), whose sum is σ = 784998000864. Its totient is φ = 377636179200.

The previous prime is 556532841653. The next prime is 556532841701. The reversal of 556532841655 is 556148235655.

It is a happy number.

It is not a de Polignac number, because 556532841655 - 2¹ = 556532841653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556532841596 and 556532841605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556532841653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54755604 + ... + 54765766.

It is an arithmetic number, because the mean of its divisors is an integer number (16354125018).

Almost surely, 2^556532841655 is an apocalyptic number.

556532841655 is a deficient number, since it is larger than the sum of its proper divisors (228465159209).

556532841655 is a wasteful number, since it uses less digits than its factorization.

556532841655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12496 (or 12489 counting only the distinct ones).

The product of its digits is 21600000, while the sum is 55.

The spelling of 556532841655 in words is "five hundred fifty-six billion, five hundred thirty-two million, eight hundred forty-one thousand, six hundred fifty-five".