56505656026 has 32 divisors (see below), whose sum is σ = 86023864080. Its totient is φ = 27834471936.

The previous prime is 56505656017. The next prime is 56505656027. The reversal of 56505656026 is 62065650565.

It can be written as a sum of positive squares in 8 ways, for example, as 5767643025 + 50738013001 = 75945^2 + 225251^2 .

It is a super-2 number, since 2×56505656026² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56505656027) 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, 51508710 + ... + 51509806.

Almost surely, 2^56505656026 is an apocalyptic number.

56505656026 is a deficient number, since it is larger than the sum of its proper divisors (29518208054).

56505656026 is a wasteful number, since it uses less digits than its factorization.

56505656026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2338.

The product of its (nonzero) digits is 1620000, while the sum is 46.

The spelling of 56505656026 in words is "fifty-six billion, five hundred five million, six hundred fifty-six thousand, twenty-six".