556355488493 has 16 divisors (see below), whose sum is σ = 671755092480. Its totient is φ = 450635692416.

The previous prime is 556355488489. The next prime is 556355488511. The reversal of 556355488493 is 394884553655.

It is not a de Polignac number, because 556355488493 - 2² = 556355488489 is a prime.

It is a super-2 number, since 2×556355488493² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556355488093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29146496 + ... + 29165577.

It is an arithmetic number, because the mean of its divisors is an integer number (41984693280).

Almost surely, 2^556355488493 is an apocalyptic number.

It is an amenable number.

556355488493 is a deficient number, since it is larger than the sum of its proper divisors (115399603987).

556355488493 is a wasteful number, since it uses less digits than its factorization.

556355488493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58312156.

The product of its digits is 311040000, while the sum is 65.

The spelling of 556355488493 in words is "five hundred fifty-six billion, three hundred fifty-five million, four hundred eighty-eight thousand, four hundred ninety-three".