556142563 has 4 divisors (see below), whose sum is σ = 557349408. Its totient is φ = 554935720.

The previous prime is 556142557. The next prime is 556142593. The reversal of 556142563 is 365241655.

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

It is a cyclic number.

It is not a de Polignac number, because 556142563 - 2⁹ = 556142051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556142593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602731 + ... + 603652.

It is an arithmetic number, because the mean of its divisors is an integer number (139337352).

Almost surely, 2^556142563 is an apocalyptic number.

556142563 is a deficient number, since it is larger than the sum of its proper divisors (1206845).

556142563 is a wasteful number, since it uses less digits than its factorization.

556142563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206844.

The product of its digits is 108000, while the sum is 37.

The square root of 556142563 is about 23582.6750603065. The cubic root of 556142563 is about 822.3601264965.

The spelling of 556142563 in words is "five hundred fifty-six million, one hundred forty-two thousand, five hundred sixty-three".