556630054 has 4 divisors (see below), whose sum is σ = 834945084. Its totient is φ = 278315026.

The previous prime is 556630051. The next prime is 556630057. The reversal of 556630054 is 450036655.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (556630051) and next prime (556630057).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556630051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 139157512 + ... + 139157515.

It is an arithmetic number, because the mean of its divisors is an integer number (208736271).

Almost surely, 2^556630054 is an apocalyptic number.

556630054 is a deficient number, since it is larger than the sum of its proper divisors (278315030).

556630054 is a wasteful number, since it uses less digits than its factorization.

556630054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278315029.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 556630054 is about 23593.0085830527. The cubic root of 556630054 is about 822.6003383348.

The spelling of 556630054 in words is "five hundred fifty-six million, six hundred thirty thousand, fifty-four".