556155054 has 96 divisors (see below), whose sum is σ = 1489872384. Its totient is φ = 146007360.

The previous prime is 556155053. The next prime is 556155059. The reversal of 556155054 is 450551655.

556155054 is a `hidden beast` number, since 5 + 56 + 1 + 550 + 54 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556155053) 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 47 ways as a sum of consecutive naturals, for example, 430149 + ... + 431439.

It is an arithmetic number, because the mean of its divisors is an integer number (15519504).

Almost surely, 2^556155054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556155054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (744936192).

556155054 is an abundant number, since it is smaller than the sum of its proper divisors (933717330).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556155054 is a wasteful number, since it uses less digits than its factorization.

556155054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1582 (or 1579 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The square root of 556155054 is about 23582.9398930668. The cubic root of 556155054 is about 822.3662832053.

The spelling of 556155054 in words is "five hundred fifty-six million, one hundred fifty-five thousand, fifty-four".