556261005 has 16 divisors (see below), whose sum is σ = 936861120. Its totient is φ = 281058048.

The previous prime is 556260989. The next prime is 556261019. The reversal of 556261005 is 500162655.

It is not a de Polignac number, because 556261005 - 2⁴ = 556260989 is a prime.

It is a super-2 number, since 2×556261005² = 618852611367220050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 975612 + ... + 976181.

It is an arithmetic number, because the mean of its divisors is an integer number (58553820).

Almost surely, 2^556261005 is an apocalyptic number.

It is an amenable number.

556261005 is a deficient number, since it is larger than the sum of its proper divisors (380600115).

556261005 is a wasteful number, since it uses less digits than its factorization.

556261005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951820.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 556261005 is about 23585.1861345210. The cubic root of 556261005 is about 822.4185018550.

The spelling of 556261005 in words is "five hundred fifty-six million, two hundred sixty-one thousand, five".