556051 has 2 divisors, whose sum is σ = 556052. Its totient is φ = 556050.

The previous prime is 556043. The next prime is 556067. The reversal of 556051 is 150655.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 556051 - 2³ = 556043 is a prime.

It is not a weakly prime, because it can be changed into another prime (556021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278025 + 278026.

It is an arithmetic number, because the mean of its divisors is an integer number (278026).

2⁵⁵⁶⁰⁵¹ is an apocalyptic number.

556051 is a deficient number, since it is larger than the sum of its proper divisors (1).

556051 is an equidigital number, since it uses as much as digits as its factorization.

556051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 556051 is about 745.6882726716. The cubic root of 556051 is about 82.2314993049.

The spelling of 556051 in words is "five hundred fifty-six thousand, fifty-one".