556902493 has 12 divisors (see below), whose sum is σ = 652933632. Its totient is φ = 473581080.

The previous prime is 556902481. The next prime is 556902509. The reversal of 556902493 is 394209655.

It is not a de Polignac number, because 556902493 - 2⁵ = 556902461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556902403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38523 + ... + 50968.

It is an arithmetic number, because the mean of its divisors is an integer number (54411136).

Almost surely, 2^556902493 is an apocalyptic number.

It is an amenable number.

556902493 is a deficient number, since it is larger than the sum of its proper divisors (96031139).

556902493 is a wasteful number, since it uses less digits than its factorization.

556902493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89632 (or 89625 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 43.

The square root of 556902493 is about 23598.7815999047. The cubic root of 556902493 is about 822.7345219271.

The spelling of 556902493 in words is "five hundred fifty-six million, nine hundred two thousand, four hundred ninety-three".