556890577 has 8 divisors (see below), whose sum is σ = 572515272. Its totient is φ = 541363200.

The previous prime is 556890569. The next prime is 556890583. The reversal of 556890577 is 775098655.

It can be written as a sum of positive squares in 4 ways, for example, as 86694721 + 470195856 = 9311^2 + 21684^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 556890577 - 2³ = 556890569 is a prime.

It is a super-2 number, since 2×556890577² = 620254229502785858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556890527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12648 + ... + 35689.

It is an arithmetic number, because the mean of its divisors is an integer number (71564409).

Almost surely, 2^556890577 is an apocalyptic number.

It is an amenable number.

556890577 is a deficient number, since it is larger than the sum of its proper divisors (15624695).

556890577 is a wasteful number, since it uses less digits than its factorization.

556890577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48659.

The product of its (nonzero) digits is 2646000, while the sum is 52.

The square root of 556890577 is about 23598.5291278927. The cubic root of 556890577 is about 822.7286538894.

The spelling of 556890577 in words is "five hundred fifty-six million, eight hundred ninety thousand, five hundred seventy-seven".