556056641 has 16 divisors (see below), whose sum is σ = 690524160. Its totient is φ = 436965840.

The previous prime is 556056629. The next prime is 556056653. The reversal of 556056641 is 146650655.

It is an interprime number because it is at equal distance from previous prime (556056629) and next prime (556056653).

It is a cyclic number.

It is not a de Polignac number, because 556056641 - 2¹⁴ = 556040257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 556056595 and 556056604.

It is not an unprimeable number, because it can be changed into a prime (556056691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63311 + ... + 71556.

It is an arithmetic number, because the mean of its divisors is an integer number (43157760).

Almost surely, 2^556056641 is an apocalyptic number.

It is an amenable number.

556056641 is a deficient number, since it is larger than the sum of its proper divisors (134467519).

556056641 is a wasteful number, since it uses less digits than its factorization.

556056641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134924.

The product of its (nonzero) digits is 108000, while the sum is 38.

The square root of 556056641 is about 23580.8532712453. The cubic root of 556056641 is about 822.3177737674.

The spelling of 556056641 in words is "five hundred fifty-six million, fifty-six thousand, six hundred forty-one".