554156656 has 40 divisors (see below), whose sum is σ = 1102273200. Its totient is φ = 269729280.

The previous prime is 554156653. The next prime is 554156723. The reversal of 554156656 is 656651455.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554156653) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 543315 + ... + 544333.

It is an arithmetic number, because the mean of its divisors is an integer number (27556830).

Almost surely, 2^554156656 is an apocalyptic number.

It is an amenable number.

554156656 is a deficient number, since it is larger than the sum of its proper divisors (548116544).

554156656 is a wasteful number, since it uses less digits than its factorization.

554156656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897 (or 1891 counting only the distinct ones).

The product of its digits is 540000, while the sum is 43.

The square root of 554156656 is about 23540.5321944938. The cubic root of 554156656 is about 821.3801148955.

The spelling of 554156656 in words is "five hundred fifty-four million, one hundred fifty-six thousand, six hundred fifty-six".