556145776 has 20 divisors (see below), whose sum is σ = 1078056000. Its totient is φ = 277937792.

The previous prime is 556145767. The next prime is 556145791. The reversal of 556145776 is 677541655.

It is a happy number.

It is a super-3 number, since 3×556145776³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31140 + ... + 45628.

It is an arithmetic number, because the mean of its divisors is an integer number (53902800).

Almost surely, 2^556145776 is an apocalyptic number.

It is an amenable number.

556145776 is a deficient number, since it is larger than the sum of its proper divisors (521910224).

556145776 is a wasteful number, since it uses less digits than its factorization.

556145776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16896 (or 16890 counting only the distinct ones).

The product of its digits is 882000, while the sum is 46.

The square root of 556145776 is about 23582.7431822509. The cubic root of 556145776 is about 822.3617101660.

The spelling of 556145776 in words is "five hundred fifty-six million, one hundred forty-five thousand, seven hundred seventy-six".