56204665205 has 8 divisors (see below), whose sum is σ = 72633721272. Its totient is φ = 41504983488.

The previous prime is 56204665201. The next prime is 56204665207. The reversal of 56204665205 is 50256640265.

It can be written as a sum of positive squares in 4 ways, for example, as 1031822884 + 55172842321 = 32122^2 + 234889^2 .

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 56204665205 - 2² = 56204665201 is a prime.

It is a super-2 number, since 2×56204665205² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56204665201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432343514 + ... + 432343643.

It is an arithmetic number, because the mean of its divisors is an integer number (9079215159).

Almost surely, 2^56204665205 is an apocalyptic number.

It is an amenable number.

56204665205 is a deficient number, since it is larger than the sum of its proper divisors (16429056067).

56204665205 is a wasteful number, since it uses less digits than its factorization.

56204665205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864687175.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 56204665205 in words is "fifty-six billion, two hundred four million, six hundred sixty-five thousand, two hundred five".