5056205561 has 8 divisors (see below), whose sum is σ = 5527100448. Its totient is φ = 4587184000.

The previous prime is 5056205551. The next prime is 5056205579. The reversal of 5056205561 is 1655026505.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5056205561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5056205521) 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, 462680 + ... + 473481.

It is an arithmetic number, because the mean of its divisors is an integer number (690887556).

Almost surely, 2^5056205561 is an apocalyptic number.

It is an amenable number.

5056205561 is a deficient number, since it is larger than the sum of its proper divisors (470894887).

5056205561 is a wasteful number, since it uses less digits than its factorization.

5056205561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936663.

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 5056205561 is about 71107.0007875455. Note that the first 3 decimals coincide. The cubic root of 5056205561 is about 1716.3594307655.

The spelling of 5056205561 in words is "five billion, fifty-six million, two hundred five thousand, five hundred sixty-one".